Credit
Image credits: misstammydarling
Image credits: kevineeto
Image credits: andi_alba
Image credits: e_lathrop
Wash it with some soap. Set it soak
Dry it in a towel.
Lay it flat, and be patient.
no
no. Don't ever put it in the dryer
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Other helpful links:
https://www.fashionbeans.com/2011/knitwear-care-how-to-wash-your-knitwear/
https://www.thespruce.com/wash-and-reshape-sweaters-at-home-2146346