Meet the XM-43R Neutral Grip Rotating Pull-up Bar: a bodyweight training tool for Rogue Monster rig or rack that lets you change handle orientation easily. It can be used for chin-up and pull-up in your gym. The device is made of 3″x3″ 11 gauge tube and has 3/8″ steel arms.
You get 7 adjustable width positions. Athletes will be able to lock the handles before beginning their move. More info is available here.