Racquet sports training device
Random bounce reaction training device
Range estimator
Rebound wall for ball sports
Rebounder and method of use
Remote controlled moving target for passing practice
Resistance device for a baseball bat
Retention of weighting on an athletic striker
Retention of weighting on athletic striker
Retrieval device for tethered articles
Return machine for spherical gameballs and transport...
Return net device
Rotary batting practice apparatus
Rotating wheel return mechanism