Originally Posted by cara
that's exactly what I thought...
can you sit on that thing? What size is it?
No, Les, not a tool.
Cara, these things are about 7" high. Have you tried sitting on something that low? Quite difficult for most of us. Nevertheless you're on the right track with that guess.
To win, be more specific and name both uses of this item.
Hint: in a parts of the world, every man carries one around all day long, every day. You can find many photos of it on the web, both as shown here and in use.