[Product Information]- Helps build a strong “V-shaped” back and muscular arms
- Offsets some of the weight your muscles must support doing pull-ups and chin-ups
- Adjustable for optimal amount of resistance
- Safety hook, non-slip foot stirrup, heav-duty buckle for safety and support
- Designed for use with the P90X Chin-up Bar (however, fits most chin-up bars)



