I'VE BEEN USING MY SIMPLICITY LEGACY (GARDEN TRACTOR W/TRACTOR TIRES & REAR PTO FOR THE TILLER) FOR 25 YEARS ON MY MOUND BEHIND THE POND. (THE MOUND WAS BUILT FROM THE 1/3 ACRE POND, I HAD DUG.) I'VE NEVER HAD A SLIP ISSUE. I ALSO USE MY BAD BOY ZT ~ 54" DECK, WITH NO SLIPS, REGARDLESS OF WHICH...