Every PE teacher's favourite way to find out which kids had reflexes and which ones absolutely didn't.
Fun fact: Some historians trace its origins to Africa over 200 years ago, where it was played with rocks.
Those skin-tight suits leave absolutely nothing to the imagination, but fair play, the thighs earn it.
Fun fact: The hinged clap skate was introduced at the 1998 Olympics and immediately shattered every existing world record.