Tar Sand Betties
    Fort McMurray's Original Roller Derby League
 
positions
Jammers - The jammer is the offensive player who scores points, They wear a helmet cover called a "panty" with stars on the sides
 
 
Pivots - The defensive player who sets the pace of the pack, also wears a helmet panty, but with a big stripe down the middle. Can be involved in a "star pass" where the jammer can pass her star panty to the pivot, who then becomes the jammer for that jam
 
 
Blockers - The defensive players on the track -In charge of helping their jammer find a path through the pack, also in charge of stopping the opposing jammer from getting through