Here's the complete tutorial for my previous video on how to crochet the harrystyles inspired patchwork cardigan. I hope this helps, if you decided to make your own cardigan :)

Inspired by :
(Elviona Halim)    • CROCHET PATCHWORK CARDIGAN | Harry St...  
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Music :
Music by MDMN You On Top of Me https://thmatc.co/?l=6042A0A5
Music by Naomi Candy https://thmatc.co/?l=DD483255
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Chapters :
0:00 Intro
0:53 Materials
1:14 Cardigan pattern
1:39 Half double crochet tutorial
8:57 Hiding the excess yarn
12:39 Ribbing & cuffs
15:27 Assembling the pieces
21:00 Final result!