Exerciser has two tubular bars with foam sleeves and cross straps on rollers attached to each side of door

摘要

The exerciser has two bars of the same length and made as tubes of wood or metal (1,2) enclosed by cylindrical sleeves of plastic foam of the same length (3,4) connected by straps of common length (5,6) which are positioned on rollers at their ends to maintain a spacing. The foam rollers can have internal reinforcements.