I HAD SOME JUNK STRIKES THAT WERE VERY BAD BEFORE I WAS READY TO TURN THEM IN AT THE CASINO I SAID I THINK I WILL TRY KETCHUP I KNOW IT CLEANS BRASS SO I LEFT IT ON THE RIM FOR 15MINS WASHED OFF WITH COLD WATER TOOK A SOFT SHINE CLOTH AND WOW ! GOOD AS NEW WONT HURT SILVER WORKS ON BRASS GREAT.