Cock and Ball Crusher Board Obvious in the Master Series. Which are more intense ball crushing play have this acrylic cock and ball crusher. This cock and ball board can use pressure to both cock and balls or simply the balls, simply by inserting your cock and balls with the back hole. Then screw lower the wingnuts to use increasingly more pressure. Should you desire you could have only your balls crushed you are able to simple slip your cock with the handy cock hole alternatively acrylic board. The two plates from the board are constructed with durable obvious acrylic. Both plates measure 5 inches wide and seven inches long. The cock hole measures 1.75 inches across and also the ball hole measures 2.25 inches across