Correct mechanics in the BS requires a 1 pc takeaway that lifts shaft vertically and then flattens starting at 1/2 way up ...the flattening is effected by rolling the forearms clockwise ...exactly at 1/2 way up, hands are in front of chest ...at the top, right hand is under grip in a position of support ... ...hands are now OUT of an overhead throwing position and INTO an underhand throwing position