Pattern available on Etsy
Simple skull earrings

You should know how to crochet following stitches:
chain, slip stitch, single crochet and double crochet

Instructions are given in English language, American terminology and the pattern includes written and photo instructions.

Crochet hook: 3.00 mm steel hook
Yarn: Scheepjes Catona, 125m/50g
Level: advanced beginner