That dedicated platform is OK, but I've found that a sheet of 3/4" plywood and a concrete block works just as well, and leaves more pocket change for essentials like hotdogs and beer!
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!