Learn to Crochet!
Crochet Gif Tutorial: The Single Crochet (sc) Stitch
As you get into it, try doing steps 4-6 all in one motion!
NB: This tutorial is using US English crochet terminology. This is the UK English ‘double crochet’ stitch. Check which language the pattern you’re following is using! (9 times out of 10 it will be US)