Adjustable shaft-extension apparatus for golf club putters
Adjustable shuttlecock
Adjustable slope and contour practice putting green assembly...
Adjustable stiffness golf club shaft
Adjustable tee setting device
Adjustable tension stringed racquet
Adjustable thumb hole insert for bowling balls
Adjustable weight broadhead adapter bolt and arrow
Adjustable weight broadhead adapter bolt and arrow
Adjustable weight golf club
Adjustable weight golf club head
Adjustable weight training belt for a baseball bat
Adjustable wheel engagement assembly for basketball goal...
Adjustably weighted golf club putter head with removable...
Adjustably weighted shuttlecock
Adjusting stiffness and flexibility in sports equipment
Adjusting stiffness and flexibility in sports equipment
Advanced pinspotter controls and method therefor
Advanced top plane for standard iron
Aerial toy