I'm doing this stretch only erect and only pushing straight down while holding my dick parallel to the floor with my other hand. I'm thinking this could be a great exercise for producing base girth. Any thoughts?
Also, to those of you having trouble with skin stretch: Get 100% erect, start a reverse OK grip about 2" from the base, and pull all that extra skin towards the base. Then tighten up your grip, and you will feel you are grabbing your penis, not your skin.