...to make me feel better about mine.
I've just received a bag which came with some lovely free gifts - lots of dirt and hair inside (as if the pen marks and dubious stains weren't enough!). But that's not all! The seller had thoughtfully also included a used interdental brush, complete with bits of 'stuff' in the bristles! My cup does indeed runneth over!
I once bought some shoes which had a perfect sweat-etched imprint of the previous owner's feet inside, right down to the whorls of the toeprints. But alas, no free extras 