So, I got some cheeseburgers and when I get back to the car I taunt my slave - hold the burger right under his nose - but he wont get it - yet! He has to take off my boots while I unpack the burger, lift the top bread and slobber on it. Then I simply put the top back and throw it on the ground. I crush the burger right in the middle of the dirty parking lot and grind it under my naked feet. Then he gets to eat a few chunks before I drool on the crushed burger again and he gets to eat the remains. In the end - when the chunks are too petite to stick to my foot - I even make him eat it right off the dirty ground :-D.
