A walrus swims around and around in circles with his tusks pressed against the glass wall of an aquarium, and it produces a buzz sound. Then he taps his nose against it a few times and scrapes it with his tusks again.
A young boy rides a bicycle over a ramp and crashes on a street.
A man stands on the porch and scrapes winter snow off the roof of the house and all of it comes down at once and buries him up to his waist.
A man does a back flip in a parking lot. His friend runs and does a flip and scrapes his forehead on the ground outdoors.
A young man wearing a brown jacket outdoors tries to wipe ice off of a car but keeps sliding away.