The Markets Are Open 24 x 7 x 365 or 6!: You don't need to figure out the working hours of any online store, or wait till they open, or hurry before they close. It's just you and an online connection that you need. So if you're one of those nocturnal beings then an online automotive parts store is just the right place for you.Most effective: Large, flat areas like the arms and legs. Least effective: Curved...