This video explained how to winterize your RV and how important it is to do. To know when to winterize your RV you have to determine if you are through with the unit and when it starts to freeze outside. The items needed to winterize an RV is a screwdriver, socket and ratchet, 2 gallons of antifreeze, and hose. The video went through a step by step process using the items to winterize your RV so that a person does not experience broken water lines or pumps. It also states that if you have an RV that has a washer/dryer or an ice maker it is best to have it professionally done.