How to Play Roller Derby

The right hand holds the long handle of the iron ring, the left hand supports the iron ring, ready at the starting point, the referee gives the order, the game begins, and the person who ends up with less time wins. The game,

1, pay attention to the iron ring rolling hands can not touch the iron ring;

2, the iron ring can not be separated from the person, if separated, you must restart from the separated place.