# Rule 19 (A.A.U. Four-Wall Rules, 1931, historical)

> **Historical rulebook: not the current rules.** The current rules are here: https://handball.theperfectship.com/rules/four-wall/

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 without penalty to either side.

## Mentioned here

- [Player](https://handball.theperfectship.com/player.md)
- [Hinder](https://handball.theperfectship.com/hinder.md)
- [Ball](https://handball.theperfectship.com/ball.md)

How this rule changed: [wording in every rulebook](https://handball.theperfectship.com/rulebooks/clause-history/code-fourwall-american/19.md)

## Relationships

- Player relates to Hinder: mentioned together in 5 sub-rules.
- Player relates to Ball: mentioned together in 8 sub-rules.
- Hinder relates to Ball: mentioned together in 3 sub-rules.

Rulebook: [A.A.U. Four-Wall Rules, 1931](https://handball.theperfectship.com/rulebooks/aau-fourwall-1931.md)

Source: Charles J. O'Connell, How to Play Handball ... Including Official Rules for Play and Diagrams of Court Construction (New York: American Sports Publishing Company, copyright 1931; Spalding's 'Red Cover' Series of Athletic Handbooks No. 114R), pp. 65-69; Ohio State University copy (HathiTrust osu.32435007267735), page screenshots saved by the user from HathiTrust's viewer. Public domain in the US.