The throw-in pass may legally be a bat of the ball by a player who is OOB.
RULE 4
SECTION 31 PASS
A pass is movement of the ball caused by a player who throws,
bats or rolls the ball to another player.
RULE 7
SECTION 6 THROW-IN ADMINISTRATION
ART. 1 . . . The throw-in starts when the ball is at the disposal of a player of the team entitled to the throw-in.
The thrower shall release the ball on a pass directly into the court, except as in 7-5-7, within five seconds after the throw-in starts. ...
The ball just can't be kicked!