Today I learned that something does not have to necessarily be sharp and pointy in order to go right through my bicycle tire and pop the inner tube. I had someone's body jewelry do that to my front tire today.

The sad thing is, the jewelry is probably worth less than it costs to get a new inner tube. My bike has no standards. It couldn't get blown by gold or silver. No, it had to get popped by some cheap aluminum or tin piece of junk. And the "gems" on it were plastic.