Dude...I'm make'n up a batch of limited edition BIRTHDAY VALVE CAPS and you'll be one of the first to get one. The top of the cap will say, "Happy Birthday" and then you have a choice of inserting: PLAYAH, BIZNATCH, WEENY, HOME-EE, GRANDMA, GRANDPA, Mr. PRESIDENT, SCHVINDLAH or YOU WORTHLESS SACK OF SOD. I'm working on flavors, too. Standard cap is licorice. The deluxe model will have a revolving wheel showing a number in a window, so that you can show "5 YEARS OLD". Numbers go up to 999. Superdeluxe model whistles "Happy Birthday" at speeds above 55 mph (not legal in all states). The "Nudie" version will have a built in tire pressure gauge that has a Naughty Nudie pop up that indicates tire pressure.

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Trex