The 3 Grip Pull-Up Bar accessory easily attaches to the top of the rails, allowing users to work with a percentage of their own bodyweight. The pull-up bar facilitates pull-ups in three different grip positions for maximum variability. The 3 Grip Pull-up Bar lets you put the focus where you want it by choosing from 3 grips: wide, narrow and hammer. Use this pull-up bar on the upper back, biceps, lats or any other combination.