Portable Hang on Pull ups equipment

This portable equipment can serve for more then just pull ups.
You can take it to the crag and perform nice warm up.
Use it for fingers curls, forearm curls, bent over rowing with weights even biceps curls.
It has been tested for up to 100kg.
Wooden holds are made of oakand  are hanging on a durable 5mm rope.

Wood handle Size
13cm 
25cm dia