NUAN233 Horizontal bars on the door parallel bars family fitness equipment home pull-up indoor wall sports training sing

Thickened lengthened foam, thickened widening pad.
This product can exercise lats, great round, biceps, diaphragm, pectoralis major, rhomboid and trapezius muscles through chin-ups. Pull ligament training can exercise site: leg flexibility
A horizontal bar to solve the three major problems, men build, arm strength, excessive fat.
Push-ups can be exercised: pectoralis major, triceps. Sit-ups can be exercised: abdominal muscles.
This product increases the contact area roughness; increases the pressure; the rolling friction is sliding friction.