cone head?

Going to a medieval costume party. What do I wear? A pointy hat with fabric coming out of the top? Burlap? Chain mail? Must google medieval fashions.

And then what? Sew something: no. Walmart medieval section: no. Thrift store, online, borrow from friend: no no no. Oh no. What to do?

Egads! Forthwith! I'll go as a time traveler from the future.