The video shows a person's hand pulling on a black seat belt. The seat belt is attached to a black car seat, and the person is pulling it across the seat to demonstrate how it works. The seat belt appears to be made of a sturdy material, and the person's hand is visible as they pull on it. The car seat is also black, and the seat belt is attached to it with a metal buckle. The video is shot from a close-up angle, focusing on the person's hand and the seat belt.