Hi! Roby The Robot hat combines knitting and crocheting. It´s a 6 pages PDF. Has detailed explanations about the process with lot of pictures and useful links to video tutorials on the web.

Suitable for an beginner/intermediate: you must know how to knit, purl, work in the round, decrease, basic crochet and blanket stictch.

Available in English. (Spanish PDF can be available upon request).