If I crawl fast with good form I get the hitachi, if I don't - first I get my anal hook pulled on, and then for safety reasons, the clip is clamped to my nipple to shut off the treadmill
An anal/nipple predicament for this poor sub. If I engage my quads and kneel up, my nipples aren't being pulled on by the metal bucket and the ten inch dildo is only half way up my ass. But holding this pose for over twenty minutes is obviously impossib