BIG ONE PUMP ~ with Onahole

This is a high quality penis pump from Japan's Tamatoys makers that is designed to do one thing remove air from the chamber, which helps draw more blood into your penis, great for purposes of sexual training and increasing your size before sexy time.

To use, attack the soft seal to the end of the tube and use the included pump to remove air from the chamber while inside it. The manufacturer recommends training yourself by increasing the suction to the maximum amount and waiting 30-45 seconds before letting the air out, and repeating. Your penis should fill with blood and enlarge in size!