Plenty of training options
The Antworks Climbing Burger is a large, hamburger-shaped climbing hold that is designed to hang freely. It is a product of Antworks, an Austrian company that specializes in the design and production of climbing holds and training equipment.
The Climbing Burger is made of wood with the top and bottom buns having different shapes, each with a metal eyelet for hanging, and the patty as a handle grip for a variety of training options. There are many grip possibilities that not only works your forearms but also your core and other muscles to keep yourself balanced. You can even hang the burger from both eyelets at the same time for even more training options.