The present invention concerns a gymnastic accessory including a twisting ring with an external ring and an internal ring, wherein the two rings are concentrically connected and rotatable in relation to each other about a common axis, wherein the external ring typically includes two connecting devices that are arranged symmetrically at the outer periphery and adapted for joining with an unyielding or elastic rope. The second ring include connecting means at the periphery, the connecting means adapted for mounting of connecting elements for a twisting belt. The invention further concerns a method for reconfiguring such a gymnastic accessory. The new feature of the gymnastic accessory according to the invention is that the twisting ring further include a number of the connecting elements in the form of straps, wherein one or more and preferably all the straps are arranged with joining means for joining with complementary joining means either on the strap itself, on the second ring or on a twisting belt, wherein the straps and/or the joining means further include adjusting means for adjusting the length of the straps and thereby of the spacing between the twisting belt and the second ring of the twisting ring.