Deron Williams wants to know: What are thoooooose?

Deron Williams just has one question.

Deron Williams just has one question.

The veteran Mavericks point guard was in a good mood in the locker room on Friday night, and took advantage of an unsuspecting team staffer with some interesting kicks on-foot. 

Honesty, Williams hasn’t moved this stealthily and in such catlike fashion since his days at Illinois, but he was feeling energetic, and somersaulted, ambushing the unidentified culprit and popping the question. Teammate Charlie Villanueva captured the moment nicely.

Wait for it............#WhatAreThose #mffl #believeincharlie #dallasmavs #mavsnation pic.twitter.com/Ejkt3Y9qB3

— Charlie Villanueva (@CVBelieve) November 21, 2015

But actually, what are those?