Some footage of some roller derby training and a few bouts going on at the valley Leisure Centre in Northern Ireland
The LA Derby dolls show their best hits of the roller Derby season. Unlike an ice hockey check, these girls try to get these girls out of the track into the crowd.
Gotham girls roller derby girls show their prowess in the highlights of their roller derby bouts. They show their skills at hitting and dodging the hits from other players.
In Roller Derby you have to try and get your opponents off the track so your jammer can get through. however it appears most times both team members end up spilling out after the big hit.