She showed me her Simplehuman shower caddy, which had a tension rod long enough to hold the caddy securely into place between our high ceilings and the tub, and shelving that was extensive enough ...

The shower caddy is a humble ... shelving unit that either hangs from the showerhead or is suspended via a tension rod between the ceiling and another surface—quality varies.

Tension rods can sit above head height to stay out ... like the Katoot Fruit Basket Shower Caddy (under $13 on Amazon), for the bathroom. If you're a DIYer, though, you'll likely want to customize ...