Blood

She wasn't born Nara, she married into the clan.

He's tried to teach her the skills, after all they aren't due to kekkai genkai but a secret technique.

She's learned them well enough although she'll never be an expert at the strangle technique.

Kagemane is useful and she has no qualms about using that one for restraining an opponent when necessary.

Kage Kubi Shibari is just … creepy and she finds herself strangely morally opposed to using it.

It seems to her that if you're going to kill someone you at least ought to have the decency to spill their blood.