Building the Bittersweet Bombshells

It's battle fought on roller skates.

If you haven't heard of roller derby, you're not alone. Roller derby is a contact sport, where two teams of five skaters skate in the same direction around a rolling rink track. Games, called bouts, consist of short matchups known as jams where both teams scoring skater, the jammer score points by lapping skaters of the other team. Both teams attempt to block the opposing team's jammer while helping their own jammer. The teams play offense and defense at the same time.

There are more than 1,000 amateur roller derby leagues worldwide, half of that numb...