Mechanical Arrowheads?
As a person that never went hunting, I found today that there's these mechanical arrowheads that looks like something out of a marvel movie.
After a quick research, it seems their advantage lies in folding up the blades during flight to make them more accurate and expanding them on impact to improve lethality.
To those that knows more about it, do these gadgets provide any actual mechanical advantage in GURPS terms? It seems to me like it would be just a fluff on balanced broadhead arrows.
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