Improved angular curling brush

Improved archery broadhead with replaceable blades

Improved athletic protection device

Improved balance beam

Improved ball structure

Improved batting practice device using extensible member

Improved buoyancy aid for swimming and training

Improved cover for game ball

Improved ergometric moving carpet

Improved exercise data device, server, system and method

Improved exercise device

Improved goal posts

Improved golf ball

Improved golf ball covers containing high acid ionomers

Improved golf ball utilizing silicone materials

Improved golf club and other structures, and novel methods...

Improved golf club grip

Improved golf club head

Improved golf club shaft and grip and method for gripping...

Improved golf iron club