Written instructions: https://alloveryarn.blogspot.gr/2017/02/crochet-3d-bow-stitch.html
How to make the single crochet: https://www.youtube.com/edit?o=U&video_id=gYi6aghEezU
How to make the double crochet: https://www.youtube.com/edit?o=U&video_id=y2xs