Another trick we used to use when changing tires out on the road was to wrap a piece of heavy chain through the hand holes on the rim while airing up a split ring wheel. A clip-on air hose about 10 feet long with a ball valve to control the airflow gives the tire man some breathing room, also.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!