Twisting a rope that you can rely on, whether you're going up a climbing wall, between sandstone towers, or up high mountains, it's a true science! See how they are made in the Bolatice factory of the Czech brand Tendon. You will be guided through the whole process by a truly prominent expert , employee of the year Václav Nečesaný aka climber Adam Ondra!
https://www.youtube.com/watch?v=xafgZqoR33g&feature=emb_title