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Want to last longer in bed? The STU (Stamina Training Unit) was specifically designed to help men improve their sexual endurance. The Stamina Training Unit texture--made of large, pillow-like bumps--helps to prolong your sexual experience. Using the Stamina Training Unit can help with premature ejaculation and performance anxiety.
When you use the Stamina Training Unit by Fleshlight, not only will you be improving your sexual stamina and techniques, you will also experience intense orgasms that can only be achieved by using Fleshlight products.
The Stamina Training Unit Fleshlight has been developed for enhancing sexual prowess through training of the ability to control the speed of ejaculation. The Stamina Training Unit has a canal diameter of 0.45 to 0.6 inches (12-15 mm) and is thus relatively tight. The inner surface is covered by numerous large-sized bumps that protrude deep into the canal. The bumps are positioned very close to one another, forming a highly dense texture that runs throughout the entire canal.
The highly dense bump texture applies remarkably intense stimulation on the penis. The bumps work like many little fingertips that press, caress and massage the head, rim and shaft of the penis from all sides, creating an overwhelming stimulation sensation. At the same time, the penis is grabbed closely by the long-stemmed bumps and literally has to fight its way through the dense forest of bumps. This is all topped off with the accompaniment of a strong suction effect, which reinforces the fantastic stimulation.
This intense stimulation leads you, during continuous movement inside the canal, to a powerful orgasm within a few minutes. In order to delay the orgasm, you inevitably have to take a short break or to vary the speed of stroking. This is exactly the skill that you can improve by practicing with the Stamina Training Unit because the control over your own sexual arousal and personal stimulation threshold is the key for improving your sexual stamina. With regular use, you will quickly notice the results and you will learn how your body reacts and how much stimulation is bearable at which time. If you are able to masturbate with the Stamina Training Unit for a longer time and if you have, despite the intense stimulation, control over your personal timing of ejaculation, you won't have any problems with premature ejaculation during actual sex and you will able to satisfy pretty much every woman.
Full Unit Measures 10" (25cm) Long and 4"(10cm) in Diameter.
Pink Lady Pussy, Pure and Endurance Jack Butt
The cleaning of the densely positioned bumps is a bit time-consuming because lube and sperm residues can gather between them. In order to thoroughly clean the inner canal, you should turn the insert inside out during the clean up. The drying time is a bit longer than average, which you can shorten by wiping off the inner canal with paper towels.
This sleeve was also made in a limited edition vibro sleeve in ice with the lady/butt orifice, vibrating bullets were clear case and had LED's in them making the sleeve glow, limited to 500 of each orifice.
First Release around July 2008.
Average ratings and rank calculated from 83 user-ratings.
This texture has 5 variations:
Endurance Jack STU
Pink Lady STU
Vibro Glow Butt STU (Discontinued)
Vibro Glow Lady Pussy STU (Discontinued)
There are 31 reviews of this texture, check out what people have to say:
Not sure what the fuss is about this. Firstly, the sleeve material has this weird scent and is a lot firmer than the usually sleeve. If you like to grip your penis really tight when masturbating, you'll probably like this. Personally I find the material too firm. There's not much in the sleeve texture either. I can feel the large nubs but they don't really do much for me, nowhere near the Brent Co...
I got the STU as part of the Library Girl Study Pack (along with the Kendra Sunderland Angel FL), marking the second time I got an STU (my first FL all the way back in 2010 was a STU, but poor care and paranoia about storage forced me to throw it away after just a few months back then). Combined from 2010 and now, I have well over twenty FLights that I can easily recall, including quite a few sinc...
I always saw people saying good things and hyping up the STU and while personally it doesn't live up to the hype it's still a pretty good sleeve. Like the Torrid sleeve this was one I always looked at a lot but would pass up for more interesting looking textures and I finally caved and picked it up as it's kind of hard to pass up all those freebies (also the "wonder what mystery sleeve I got" game...
–Reviews For Girthy (or more-sensitive) Guys– TL;DR sleeve summary: 5/10, a very average, basic texture. Medium-high intensity, with no variety or unique sensations. For the most part, the Alien sleeve is just a more-interesting, varied, and enjoyable STU. Sleeves work completely differently depending on girth, so these reviews are here to help average-length girthy guys find the textures t...
Getting out of a long relationship, I quickly realized that I wanted some additional assistance on the orgasm front. After trying out a Tenga Flip-Hole and having it break on me after 6 months of heavy use, I decided it was time to go back to the Cadillac of fake vaginas and bought my first Fleshlight since college. After some shopping around, I settled on the STU, mostly because I found a good de...
I got the STU as a free mystery sleeve during the last Valentines Day sale. Interestingly enough, it came with a butt orifice, which I have never seen offered before, and can't find anywhere on the store now. ILF advertises that the STU is supposed to help increase sexual stamina because of how intense it is. After using it, I can certainly agree that it is intense, but in a more simple way than s...
About Me: I am 25 and have an athletic build and a 7.5” x 5.5” circumcised dick. I have a sensitive cock and have had multiple sexual partners. I am actually engaged so I regularly have sex. I have a short refractory period, so I can usually cum once quickly and then a second time after a decent time without even exiting my fiancée. This is from my very first FleshLight haul ever, so I am...
My first and one of my favorites. This is the only fleshlight I own with a consistent texture throughout the sleeve, which is something I can appreciate. Other sleeves look more visually appealing with all the bumps and teeth and openings, but this sleeve proves that less is more. It is very stimulating, more realistic than most other sleeves I have tried, and I can play around with how much I am...
This was my first Fleshlight. I has been great, but I rarely use it anymore. I have since purchased the Go Torque and the Flight Pilot. The Pilot is my go-to for travel and the Torque is my wife's favorite for partner play. The STU is a great "general use" (rather than specialized items like the Torque and Pilot). If you buy only one, the STU would not be a bad purchase. My only complaint is...
STU was my most used sleeve. It's stimulating but not too intense, which really makes it a good option to train stamina. There is no variation in the texture across the sleeve so guys with all sizes should enjoy it equally. Although it might look boring at first, but the texture transform well as your cock gets bigger and bigger due to stimulation. It feels much more intense when close to ejaculat...
THIS IS THE PERFECT FLESHLIGHT FOR YOU TO GET YOUR STAMINA UP!!!! The entrance is mega tight and slides you into the speed bumps that will, one first use, have you cumming like crazy. After a while, if you use it like intended, it will help you build stamina by resisting the temptation of pleasure. The bumps caress and massage your cock so gently that you'll never feel sore no matter how many time...
The STU is heralded on the site as a good fleshlight but I think it has quite a few shortcomings. no pun intended. I don't really see how its supposed to train your stamina in any way because its just plain and doesn't feel very good. They could've called this texture bumpy or something normal because that's all it is. bumps. I would use my money somewhere else if I had wanted to buy a new one.
The STU was my first Fleshlight and I definitely recommend everyone try it. It is a tight and intense sleeve, marketed as a sleeve that will help you last longer while having sex which I agree with. The pillows are intense, yet feel great and smaller guys don't have to worry about not being able to feel chambers at the end of the Fleshlight because it is all lined with these pillows. Ejaculating i...
Okay the first thing people ask is does this work, Does it make you last longer? The answer is... YES! I don't know how many times I've worn out a woman without finishing myself. And, it wasn't always that way. I was a 5-20 minute guy before I got one of these. And, better yet is being able to power thru an have multiples without needing a break. Just use this, time your time, do the stop/start me...
This is a great sleeve to be introduced to the fleshlight experience with, in fact it was the first textured sleeve I owned. I used it so much, and soaked it in my tap water so many times it became badly discolored and got a lot of those sticky grey rubber-like boogers all over it. Needless to say, I now soak my sleeves in bottled water to prevent the discoloration of any other sleeves and have re...
A little about my background at the start: I'm an average build circumcised guy and I'm really into strong sensations. Because of a very extensive style of circumcision it can be hard to reach orgasm multible times in a row. I'm sexually quite active with a pretty adventurous woman at my side, that luckily finds Fleshlights and me using them pretty hot. ;) At the STU sleeve: That one really is a...
Fleshlight's Stamina Training Unit is an average product compared the rest of the Fleshlight range in my opinion because all of the sleeves available will still apply somewhat of a 'stamina training ability' and the sleeve won't make anyone last longer than what they would if they were using any other sleeve for the same purpose of trying to last longer. Also they sort of try to rope you into buyi...
This was my first fleshlight. I didn't take proper care of it, so it wound up in the grave yard after about 2 year of moderate use. This texture was INTENSE. I never lasted more than 2 minutes with this.The nubs are so, so soft, and the just rub the head of your dick, both going in and coming out. It's a sensation overload. It felt amazing and too much at the same time. If you're looking to...
My very first texture and for a first time it was good. The texture as time grew on became quite loose and I needed more to get going. I decided to opt for a texture that was a little more intense. As it was my first texture it was much bigger upgrade to doing it with my hand but after trying out more complex textures this texture pales in comparison.
The STU was my very first Flashlight (purchased back when Mocha was still an STU color choice :O ). After throwing it out, due to degradation caused by overuse, I have since bought another STU (this time pink color with the gold case) and have a combined total of approximately 150 flights in the STU, so I feel well qualified to review it. It's definitely a good sleeve, though I rarely fly in it a...
Before I say anything else, let me just clarify one thing: relative to other fleshlight textures, the Stamina Training Unit is not special. It should not be placed in a category of its own. It does not have magical stamina boosting properties that will make you last longer than if you were to practice with any other texture of similar intensity. That isn't to say that the STU is bad, or even that...
First Fleshlight I have bought, have to admit it was a lot more pleasurable than I expected it could be. When I first got it I struggled to last for any time at all (and I can go for a good half hour with my, wonderful, girlfriend) but now can go for a good 10-20min with it (they weren't kidding when they called it the Stamina Training Unit, at least not by my experience so far). The first time I...
One of the most intense sleeves out there. The soft, dense bumps feel really good when penetrating it and pumping through for the first minutes. I could easily finish with it but if I don't, it numbs me and becomes dull after a while. After some edging I can last for ages with this, and it actually becomes hard to reach an orgasm. I guess it's the combination of intensity and lack of variation tha...
The stu was the second FL I bought. And while I enjoy the stu I have to say I like the swallow more. This sleeve is intense but there is not enough variation. I honestly bought it because I found it on sale. It is a good texture I just wish they would have varied the texture up a bit. Also it could be a bit tighter.
Longwinded Backstory: Back in early 2007 I was hornily perusing the internet for my very first sex toy. I had been experimenting with homemade contraptions that were pretty mediocre, sometimes borderline harmful and were hardly any better than my lotioned-up hand. I came across fleshlight's website and their forum. Some of the reviews in their testimonials section had me incredibly hard from the w...
This happened to be my first fleshlight, I had actually set up a P.O. box and ordered it in order to hide the package from my parents when I still lived with them. I was even able to order it in a black case instead of the golden STUs generally order in. Mine happened to arrive in the Vagina orifice, as I felt the pure orifice wouldn't do it justice. One thing to note about seeing the fleshlight...
23 Years old, 5.5" Length and 5" Girth The Stamina Training Unit (STU) was my first purchase with ILF. I had purchased it along with the SIAC Sukit Draft for half the price, but that will be a review for another time. Today were talking about the wonderfully sensational tube of flesh that is the STU. As a first time FLier I did research as to which product would be the most suitable to my experie...
The STU was my first fleshlight and took me a few time to get used to it and actually enjoy it. After the break in period it feels great besides the fact that there isn't much variation throughout the sleeve, i have actually noticed an increase in my stamina after using this as you receive constant simulation and its very intensd throughout the sleeve.
The STU, or Stamina Training Unit, is by far one of the best sleeves in my opinion. It may not look like much, it may look boring, but boy does it feel insanely good. The description of the STU says that it has been developed for enhancing sexual prowess through training of the ability to control the speed of ejaculation, and that's exactly what it is great for. The texture is not so intense that...
The Stamina Training Unit, a.k.a the STU, is one of the most loved and hated Fleshlights models around. The idea behind this sleeve is that it is so intense, that if you achieve to last 10 minutes using it, you should last about 20 minutes with a partner. When you look at the texture, it is a series of close "pillows" that surrounds your penis at all times and a slightly narrower canal. At first s...
ILF claims this is one of their most intense sensations ever; I am not going to argue. The insert, at its widest point, is the same diameter of the Super-Tight (½”) insert but unlike the ST it contains tons of bumps lining the inside. Now, that doesn’t sound particularly interesting but my yank begs to differ. It feels so good from the first time you slide in there and just keeps getting more...
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