Abstract: A lift/tow assistance device to relieve the lower arm in sporting activities, particularly when strenuous, using equipments, which the user holds on particularly in equipment gymnastics, featuring a cuff for placing around the wrist, connected by a strap with a lock to a hook, which can be hung into the sporting equipment. In order to improve and further develop such a lift/tow assistance device so that it is not only easier to use but also ensure that it provides the user with optimum stress relief the strap lock is directly secured to the hook and is provided with a clamp lever which clamps the strap to a clamp plate of the lock when the strap is subjected to tension.