Another ancient climbing toy. Two pieces of felt at the inside of the hands take care of the necessary friction to make it climb when the rope is pulled. The friction can be adjusted with an M3 bolt and nut.
https://youtu.be/9Y5cxddlx9g
More climbing "Things":
http://www.thingiverse.com/thing:1918477
http://www.thingiverse.com/thing:1916782
http://www.thingiverse.com/thing:1943901

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