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GRP effectively exercises the neck muscles. GRP is easy to use, and is a product of meticulous research on the various methods of exercising the cervical muscles. The resistance is applied on the top of the head and there is a big range of movement during exercise that has as a result to involve much more muscles compared to others exercises. It consists of strong straps, safety hooks and resistance rubber bands. “Ideal for the modern, busy people. Ideal for athletes, and those who exercise regularly.”