Cutting the flanges off BMX grips has a solid long history....back to mid '80s at least...until mountainbiking got big enough for ODI to make their Mushroom grip without the flanges.
* What was your crime Spazpecker?
: Whistling on a Tuesday, jester.
* Oooh, you B*stard!
* How would you like your eyes sucked out by a goat and replaced with red hot toffee apples?
: (nods) Yeah!