# Four-wall · Rule 4.6 Rally · A. One hand

Only the front or back of one hand may be used at any one time to strike the ball. A player, using two hands together in contact with each other when the ball is struck is an out.

## Mentioned here

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

Source: USHA official rulebook, used with written permission — https://www.ushandball.org/