Please hit the CC button for subtitles

Double under is the basic of basic?!
Who says that?
Watching this 8-year-old whiz kid doing double unders!
You might change your notion of jump rope ;)

Guess how many double unders he can do!
Oh, and he's doing another amazing challenge!
Why don't we go and cheer him up?!

#WOWVideo #우와한비디오 #DoubleUnderWhizKid