√ Beginner at crochet here. Making my first cardigan out of grannysquares (4.5 mm hook, hdc, using mattress stich to assemble) But my squares bulge outwards, they dont lay flat. What should I do? Should I have blocked them? Any tips appreciated! - Crochet Technique Tips

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Home IFTTT newest submissions : crochet Beginner at crochet here. Making my first cardigan out of grannysquares (4.5 mm hook, hdc, using mattress stich to assemble) But my squares bulge outwards, they dont lay flat. What should I do? Should I have blocked them? Any tips appreciated!