Accessory for manually-operated exercise equipment, namely, accessory attachment to increase muscle resistance; Appliances for gymnastics; Arm guards for athletic use; Athletic protective elbow pads for skateboarding; Barbells; Body-building apparatus; Deck grips for sports equipment boards, namely, surfboards, body boards, paddleboards, etc.; Exercise equipment, namely, chest pulls; Exercise equipment, namely, inflatable balls; Exercise machines; Exercise trampolines; Exercise treadmills; Ex...