This is not a funny video clip. Rather it is a hurtful and painful video clips. Watch at your own risk. I feel pains for the demonstrator who tries to show his students how to front flip. He is aided by two of his students. A few seconds later, he failed

In the USA, it is very often happening of the robbery in the gas station. For instance, in this video, the robber failed to launch coz of the mad seller. cool clip.

ouch, that's gonna hurt.

his attempt fails miserably