Rule

A.A.U. Four-Wall Hardball Rules · American four-wall hardball (1930s-40s)

Rule 28

Historical rulebook: not the current rules. The current rules are here (USHA Four-Wall Rulebook, as of 26 January 2025).

During a play the ball may not be played by a player after it has been touched either by his partner or by himself.

Mentioned here

How these ideas connect in this rule

together ×4together ×8together ×5Partner actorPlayer actorBall thing