hi bampot
page 102 and in the pic it shows the wrist bowed and Quote the left wrist begins to supinate at impact. the raised wristbone points to the target. and in the pic on page 103 he says by pronating his left wrist just before impct, a golfer expnds his clubhead speed before he strikes the ball, restricts the arc of his swing, opens himself to making numerous other errors. the big pic on page 102 shows his wrist bowed.
bill