[stares at the kit]

S-stitching... You truly work in such a way?

[he doesn't question the blood thing because he is a man who can respect cultural differences okay. but he may mumble later about how he's strange or something. BUT FOR NOW.]

If you are certain a needle is what you need, I have a sewing kit in my room.

[HE REALLY DOESN'T GET IT. WHAT ARE YOU, KARKAT.]