The PowerAssist was the tool prior to the LengthMaster. But so everyone knows the PowerAssist as part of the LengthMaster. I see a lot of men doing fulcrum stretches without using the PowerAssist. If you have a LengthMaster or an old PowerAssist I would seriously look at these exercises as they are in THE BEST fulcrum stretches available! Check out these videos and get to work making that cock huge!