Fôrs - WOD Wax Applied directly to the pull-up bar, eliminating the need for bulky gloves or grips, tape, or constant re-chalking. It enhances grip to allow for more work without breaking,
How to do a ONE ARM PULL UP progression
Gymax Foldable Pull Up Bar Doorway Chin Up Bar No Screw W/Foam Grip for Home Gym | Walmart Canada