Shower Caddy holder

The shower caddy in our guest bathroom kept slipping. I tried bending it, but that didn't work. I eventually used a large rubber band to form a block, but that looked ugly. V1 of this Thing is a replacement for the rubber band - you put it around the pipe in front of your caddy; if necessary use a band to clamp the holder so it stays put.

V2 is designed to actually hold the caddy in place; I've shown it with a rubber band as a clamp, but most caddy's will tend to clamp the holder in place as