As impressed as I was with the demonstration of these at the ATA show.........boy I'm torn. I get silly sometimes and actually shoot groups which can get a bit ugly on the nocks/fletch.[

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I think I'd cry if I shot the little spin wingy thingy off of one......how would that arrow fly?[:-]
NAP has a neat product, but for that $$ I'm shooting feathers. They take a pretty wicked beating vs. ANY vane.