Treble crochet (tr)
Step 1: yoh, insert hook into st, yoh hook, pull through first loop only, yoh, draw through two loops on hook
Step 2: yoh, draw yarn through last two loops
Step 1: yoh, insert hook into st, yoh hook, pull through first loop only, yoh, draw through two loops on hook
Step 2: yoh, draw yarn through last two loops