BeerMo from BustedTees. At home, I have little charms you link to the stem of your wine glass so you know which one is yours. This is similar. It's a mustache on a ring that slips over a beer bottle (or any other bottle) so you know which one is yours. They come in 6 colors.
"Ministry Of Silly Walks" Clock (referencing the famous Monty Python skit w/ John Cleese). Designer Susanne Lindberg was overwhelmed/overjoyed by the deluge of purchase requests (She never intended to mass produce the thing, and still cannot), so she posted a truly banging photo-rich tutorial on how to make one yourself. http://sillywalkclock.blogspot.se/