Variations of it date back to at least the 1970s: https://www.businessballs.com/amusement-stress-relief/tree-swing-cartoon-pictures-early-versions/ https://www.

Variations of it date back to at least the 1970s: https://www.businessballs.com/amusement-stress-relief/tree-swing-cartoon-pictures-early-versions/ https://www.businessballs.com/amusement-stress-relief/tree-s...