Featuring Sophie Maclean and Ayliean MacDonald. Extended crochet video at https://www.patreon.com/posts/116050981 --- More links & stuff in full description below ↓↓↓ More knot videos: https://www.youtube.com/playlist?list=PLt5AfwLFPxWLyfD4nhZCX_3UZdSSpkBTs More Sophie videos on Numberphile: https...