My cosplay of Astrid from How to Train your Dragon 2.
The entire costume was handmade. I made two different sized skulls (small and large) from clay then made a mold and cast a whole bunch out of Smooth-On Liquid Plastic. While the plastic was curing, I embedded Chicago screws into the back of each of them so I’d be able to attach it the skirt. The skirt spikes were made from half-circles (more like 1/3 circles) and taped into a cone. The pauldrons were made from craft foam, brushed with Mod Podge then dried with a heat gun to give it a brushed metal look. The rivets are googly eyes!
(All photos courtesy of Nick Crovo, nickcrovo.com)