Hanging shoe organizers have many uses, and holding paper towel rolls is a brilliant one.
Hang Everything - 49 Brilliant Garage Organization Tips, Ideas and DIY Projects
Here are some garage and basement organization ideas that actually ADD SPACE. DIY shelving hacks, garden tool storage, and under-stair storage tips.
Bathroom Storage Ideas for Small Spaces - Overbathtub Shelves - Click Pic for 42 DIY Bathroom Organization Ideas
This is just the image, but another creative storage solution for the camper.
Living in a shoebox | 14 great ways to store your shoes