Ninja tries to get New Years Eve crowd to floss with him (CRINGE) - YouTube
How To Floss Properly | How To Floss Teeth | Using Dental Floss
Ninja Floss Dance FAIL on New York Times Square | floss, Times Square, Fortnite | #Ninja's goal of getting 1 MILLION people to do the FLOSS dance comes just short by 999,995
Should you floss or not? Study says benefits unproven - BBC News