That starts with a good showerhead, but ends with the right shower caddy. Walmart is one of the best retailers for just about anything that goes in your bathroom, and shower caddies are no exception.

If you’re suffering from a shower-­storage shortage, Oxo’s new Quick-Extend aluminum pole caddy is a well-reviewed, high-end solution. The pole on the easy-to-install caddy—which is made of ...