I bought the double fister a month ago and have had fun using it. It takes a while to get use to it as i found the second fist at a funny angle for penatration. Still with a little "persuasion" it goes in nicely and the feeling of having both of those fists inside you at the same time is fantastic! The second fist is much larger than the first so take your time and enjoy the feeling as you work your way down the shaft. Remember plenty of lube !!!