It's pulled to a front through crotch and it's wound on a penis.
A penis and a ball are wound by rubber together and it's held by a magic tape.
A penis is pulled down.
It puts it on under the underwear and makes them do bulge.
KH275 Grasp inner Rubber V-Back
![](http://www.sixlines.co.jp/images/kh377.jpg)
![](http://www.sixlines.co.jp/images/spbn05.jpg)
![](http://www.sixlines.co.jp/images/und27600245_small1.jpg)
MEN'S UNDERWEAR SIXLINES TOKYO JAPAN