Mute Sports Split Ropes® Seated Adaptive Jump Rope. COMBO set of CALF 4 oz. per side and BULL Split Ropes 8 oz. per side. Mute Sports Equipment is the innovator of the original Seated Adaptive Jump Ropes. Split Ropes came to market in 2017. A seated jump rope Split Ropes are for anyone. You will receive TWO SETS of Split Ropes as pictured. These ropeless skipping ropes will give you similar benefits to jumping rope. They work your cardiovascular system shoulders grip forearm and core. It is also a great tool for balance coordination and stability. They need to hit the ground to feel the resistance. Has extreme durability and long life. Some examples of people who are currently using these split ropes are: wheelchair users pregnancy/post pregnancy traumatic brain injury cerebral palsy quadriplegic paraplegic geriatric obese arthritic back and for therapy.