A golf swing training aid includes a shaft having two sliding elements which are moved from initially coupled positions on the shaft to impact positions during the backswing and downswing make distinctive sounds at impact positions to aid in setting the club and hinging the shaft when executing the backswing and lagging of the club during the downswing. Grip protrusions are biased against webs of the fingers for enhance power generated during the swing.
申请公布号
WO2004105887(A2)
申请公布日期
2004.12.09
申请号
WO2004US16257
申请日期
2004.05.20
申请人
DAVID LEADBETTER ENTERPRISES, INC.;LEADBETTER, DAVID;SHEW, BLAIK, F.