Sometimes you are in a public place with nothing to use as a platform. Never use the seat, of course, since other people put their butts there, and as you say t

Sometimes you are in a public place with nothing to use as a platform. Never use the seat, of course, since other people put their butts there, and as you say they can be fragile. I use the rim. I have never slipped or fallen. It is quite secure. At home I have platforms.