Boy on a rocking horse falls over backwards.
P/V - "Head Club for Men" - Lettuce heads; commercial
A young boy runs down a hill in the yard and grabs onto a swing and it flips him over and he falls. Then his brother tells him that was an "awesome trick."
Car with boat attached parked on beach. Man slams car door, car & boat roll backwards & slide into river. Possible set up.
A dog runs away from a woman with scissors in its mouth.