jump rope - Wiktionary, the free dictionary
Bungee jumping - Wikipedia
Skipping rope - Wikipedia
How to Chinese Jump Rope: 11 Steps (with Pictures) - wikiHow
How to Chinese Jump Rope: 11 Steps (with Pictures) - wikiHow
Jump Rope World Records – Elite Jumps
How to tie a knot in a jump rope - Quora
Ascender (climbing) - Wikipedia
Playtime, Baldi's Basics Wiki
Trick roping - Wikipedia
File:Chinese jump rope Sailboats pattern.svg - Wikipedia