$67 cannonball grips VS my $6.70 grips. : r/GripTraining
Cannonball Grips | REP Fitness | Rack Attachments
Cannonball Grips -Rock Climbing Solid Training Cannonball Bomb Pull Up Power Ball Hold Grips with Straps Ideal Hand Exerciser & Grip Strengthener : Amazon.com.au: Sports, Fitness & Outdoors
Cannonball Grip – Race Ready Obstacles
Cannonball Grips -Rock Climbing Solid Training Cannonball Bomb Pull Up Power Ball Hold Grips with Straps Ideal Hand Exerciser & Grip Strengthener : Amazon.com.au: Sports, Fitness & Outdoors