Rule

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

Rule 20

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

Every player is entitled to a free and unobstructed opportunity to play the ball. If he is interfered with unintentionally it is called a hinder and is played over.

Mentioned here

How these ideas connect in this rule

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