Anyone know the trick to skinning these properly?

I've tried a dagger, a jeddart-axe, a falchion, and a mace. I can't get one skin off them, equal level, 2x in first aid and 2x survival, with a 25 dex bonus.

/glitch

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Cupcake is informing you that she wishes to have no further interaction with you OF ANY KIND! She desires that the two of you go your separate ways and have no further contact.

Strongest foe vanquished: The Legendary Chuck Norris

You need a blunt or a heavy weapon. Cudgel worked for me.