A towel wrapped around a dowel used as a balance tool with a set of simple of exercises. Also a foot massager.
You can use a broomstick or any small, round cylinder that will support your weight. It doesn't have to be a dowel.
This is a great way to exercise all those little muscles that help keep us upright. We are always falling and catching ourselves when we stand up straight or walk. This is a way to concentrate some of that energy and calibrate yourself whenever you need to. I do my balance exercises on this device most every day and am discovering new ways to use this very simple device.