The video shows a person holding a bicycle chain and a bottle of oil. The person is using the oil to lubricate the chain. The chain is made of metal and has a series of interlocking links. The oil bottle is green and has a label that reads "Tenacion Oil". The person applies the oil to the chain by pouring it onto the links and rubbing it in with their fingers. The video is shot in a well-lit room and the person's actions are deliberate and careful.