If you're interested in thrusting toys, I recommend this. It's cheaper than some versions and it will let you know if you want to try another version or if it's just not your thing before you actually spend a heftier sum on some of the thrusting dongs they have.
The most helpful critical review
Did Not Stroke Me The Right Way
This toy is simply a combination of everything a toy shouldn't be: It's loud, made of latex rubber, not waterproof, smelly, visually unappealing, and not pleasurable. I thought the thrusting motions would be something exciting to try, but I ended up severely disappointed. Don't waste your time and money--buy a G-Spot vibrator and do the thrusting yourself.
If you've ever thought that rubber tongs are dull, try the Deep stroker ii – ms from Doc Johnson. Made out of hygienically superior rubber, it is realistically shaped and has 7" in length. The thing that makes this dong stand out from the rest of its peers is the stroking function, activated by 3 C batteries (not included). When you turn the function on with the versatile control unit, the length of this exciting toy starts to vary from 7" to 7 1/2", delivering you with intense stimulating stroking action.