. >> reporter: that's vicki schutte. >> in 15 years i have won three features. >> reporter: a welderr destructive tendencies have paid off. >> i was actually the only girl that ever won my hometown derby. that was a really big accomplishment for me. >> let's start stripping. >> i've been doing demolition derby since i was 19 years old. >> my dad has done it since before i was born. >> reporter: her two sons, 14 and 8, already behind the wheel. >> do you have a license? >> not yet. >> reporter: her uncle runs metal mayhem every year. >> are you ready? >> reporter: demolition derby can be a dangerous game. after all, the main objective is crashing. >> it's just whichever car keeps moving forward? >> the last car to make a hit. >> this car has flipped over. they take safety very seriously. the guys have pretty much stopped the derby. >> do injuries happen? >> they happen. concussion, whiplash. deaths are very rare. >> reporter: every car has to pass inspection. >> we have a list of rules we have to build the car to. they're looking to make sure everything's built properly. and that the