NCAA - signals/mechanics

[Zoochy]

Other stuff observed
Bounce the Ball to self, Blow the whistle or is it Blow the Whistle then bounce the ball to self before handing the ball to the Thrower for each Throw-in
On Back Court throw-ins from the endline. The official will bounce the ball across the painted area
We do not have a shot clock in Missouri for NFHS games, but I DO NOT see these officials with a count in the Back Court. I assume because the shot clock determines a Back Court violation.