located rearwardly of the board and base center line 25 toward the right foot it is readily understood that the above description is for a right handed golfer and that the indicating letters and feet positions would be reversed for a left handed golfer fig4 shows golfer 26 in a ball address position in which position the weight on left foot 27 is approximately two thirds of the golfer 39 s weight this weight distribution causes board 3 to pivot downwardly forwardly to the dot dash line position indicated at 28 fig2 and the position of fig4 in which position front end 12 of board 3 strikes and contacts end 6 of base 2 this pivotal and striking movement informs the golfer that his weight distribution is correct at the ball address position the golfer then starts the backswing and his weight shifts from left foot 27 to right foot 29 causing board 3 to pivot from dot dash position 28 to the parallel full line position of fig2 as the golfer 39 s weight shift continues to shift from his left to right foot board 3 continues pivoting on projection means 16 until rear end 13 of board 3 strikes rear end 7 of base 2 fig5 and as dot dash line position 30 fig2 this movement and striking informs the golfer that the correct weight shift has occurred golfer 26 then begins his downward forward swing with the weight shifting from the right to the left foot causing pivoting or rocking of board 3 from dot dash line position 30 fig2 and the position of fig5 to dot dash line position 28 fig2 and fig6 indicating to the golfer the correct time to swing through the ball.