Incut and small, for hard crimping. This shape forces you to crimp as there are no thumb options on its smooth underside. It's 17mm depth makes a good challenge for >font 7a/V6 climbers on steep boards.
Its symmetrical shape makes it the same whichever hand you grab it with.
Wood treated with respect and used for its natural training benefits. Ergonomics and hold types selected from the cutting edge right back to help those just entering the sport to see a progression path.