How to Splice Yarn: 7 Steps (with Pictures) - wikiHow
Thread (yarn) - Wikiwand
PET bottle recycling - Wikipedia
Acrylic fiber - Wikipedia
Vicuña wool - Wikipedia
PET bottle recycling - Wikipedia
Crochet - Simple English Wikipedia, the free encyclopedia
bionicyarn.com at WI. Coastal and Marine Recycled Plastic Textiles
Units of textile measurement - Wikipedia
Twine - Wikipedia