Mute Sports Equipment Heavy Weighted Jump Rope 3/4 pound Calf Rope for indoor or outdoor use competition training and functional fitness. At Mute Sports we have worked with many people who are looking to adapt a workout. Being a heavy rope this works well with: VISUALLY IMPAIRED: Being heavy the athlete can feel where the rope is. Also it comes around slower than a standard jump rope. We have worked with some who have some vision and they were able to see the brightly colored rope. DOWN SYNDROME & AUTISTIC: It is hard for some to keep control of a lighter standard rope. With the calf rope being heavy and coming around slower they maintain control of the rope. Mute Sports Calf Rope ~ 3/4 Pound Heavy Jump Rope is manufactured in Mute’s North Georgia shop. It is a challenging heavy jump rope that is available in four lengths: X-Short (Red/Yellow Rope) 8′ Height: 4’10”-5’2″ with red handles Short (Orange/Yellow Rope) 8’6″ Height: 5’3″-5’7″ with green handles Medium (Blue/Green Rope) 9′ Height: 5’8″-6’1″ with blue handles Long (Red Rope) 9’6″ Height: 6’2″-6’8″ with gray handles. The 9′ Calf Rope Weighs 3/4 pound. The intensity of this jump rope will increase your grip strength stamina and capacity. This heavy jump rope will truly test the endurance of your grip and shoulder strength. It is a resin-infused poly rope. The purpose of this jump rope is to work different parts of your jump rope skill.