From my experience, i attended bodybreath too read the eng link, there shd b jp links too:     Please note, position of locker key on your right wrist if you are top, left wrist if you are bottom and ankle if you are versatile. (Read part on bodybreath) http://thegaypassport.com/gay-tokyo/play/ Which is why a no. Wear that on ankle.... if a flex tend to lean towards doin topping, putting on left side, is nt gonna