This cylinder is best for men with Erectile Dysfunction since there is no rim to get in the way of using a restriction ring.
The bottom is hand finished for ultimate a comfortable and snug fit. The cylinder seals easy and tight against the pubic area providing an easier work out and much faster length gain results. You can use a restriction ring for maintaining your erection for erectile dysfunction. Both experienced pumpers and beginners have remarked about their positive experience and faster growth.
