Contents

The Rules of Flat Track Roller Derby

2.9 - Whistles

Jam-starting Whistle
One short

Lead Jammer
Two rapid

Major Penalty
One long

Jam Called Off/Ended
Four rapid

©2012 Women’s Flat Track Derby Association (WFTDA). The Rules of Flat Track Roller Derby may not be reproduced or translated in whole or in part in any manner without the permission of the WFTDA.

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