How to secretly dance "Knock, knock" at work, as taught by Boy Next Door

Please join the Knock Knock_Office Worker_Challenge!!

BOYNEXT O'ER makes a comeback with the pre-release track "Tok Tok"

Boynexddoor uploaded a method to secretly knock at work on Instagram!

Starting today, let's all play the "Knock, Knock, Knock" dance secretly at work together!