Inside the sheath, their proboscis is actually six arms: two saws, two manipulators, a spitter, and a sucker. They saw open your flesh and use the manipulators to sense blood vessels, which they pierce to suck blood.
Madness string 100549
I remember everything. I remember too much, and... some of it's made up, and... some of it can't be quantified, and... there's secrets.