It works like this:
someone says that they insert something
then the next poster says what they get, and then they insert something
and the cycle continues....
Example:
inserts coin
next post:
receives cherry flavored soda
inserts bottle cap
basically, the objects can range from the ordinary (coins, buttons, cash) to the ridiculous (shoes, people, cars, random stuff you make up). The same holds true for the received objects.
for extra amusement, you can keep track of what you get.
Make sense? Good!
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Inserts quarter