Big Crazy Golf Swing Speed Trainer Adjustable, Golf Training Equipment Three Weight Configuration Options, Golf Tempo Training Aids Connect Your Golf Clubs for Callaway

INCREASE SWING SPEED-Golf swing trainer to improve your muscle memory and gain golf swing speed, up to 15-30 yards even more.Removable golf training aid can be replaced with a simple operation anytime and anywhere. Training swing speed with your existing and familiar golf clubs is more effective.
USE FOR CALLAWAY-These golf training aid are compatible with the second generation of 815 driver up to current driver clubs with adapter，including MAVRIK Driver,Epic Flash Drivers,Epic Flash Sub Zero Drivers,Rogue,Rogue Pro,Rogue Sub Zero,Rogue Draw,GBB Epic,GBB Epic Sub Zero,Big Bertha Fusion,Big Bertha Alpha 815,Big Bertha V Series,X2,X2HOT. Not compatible with RAZR,RAZR TOUR driver clubs.
3-WEIGHT IN ONE DESIGNED-Big Crazy adjustable golf swing speed training kit meets all your training requirements and saves your money with three weights: 155g,190g,235g.
NON-SLIP RUBBER SLEEVE-The rubber sleeve protect the golf swing trainer surface increases friction and makes it easier to uns