This step by step tutorial will show you how to crochet a very easy shell stitch hat for beginners. For your hat you will need to use a 5mm crochet hook and . PURCHASE PATTERN HERE: ADULT SIZE PATTERN HERE: . Subscribe Here!! Free pattern here Learn how to make a shell stitch hat, and . This tutorial will show you how to crochet an easy shell stitch baby hat. This tutorial is suitable for beginners. For size 0 - 3 months use a 4mm crochet hook For .