Shake Weight Shop
It's possibly the funniest/sexiest workout gimmick of all time. So while being pointed horizontally at chest height, this vibrating 20 lb contraption shakes and rumbles in the hands of the user, and claims to be useful for toning women's arms. (Not to direct you away from Inherently Funny or anything, but seriously just go look it up on YouTube. It's that good.) See also Sex, Women.