At the link, the post is broken down into 2 categories: pay and free patterns.
An automatic cord knitting machine is used for these DIY knotted coasters, but links are provided for making handmade knitting spools and how to knit an icord.
What is spool or French knitting?
Spool knitting, corking, French knitting or tomboy knitting is a form of knitting that uses a spool and a number of nails to produce a narrow tube of fabric, similar to i-cord. Spool knitting is a traditional way to teach children the basic principles of knitting.
DIY Candy Cane Twine Tutorial from My Poppet. This DIY uses red and white fabric twisted together and there is a quick video tutorial and a written one for the how-to. I have been avoiding posting DIYs from DIY sites that post only video tutorials. I feel that if I wanted just a DIY video tutorial I’d be on YouTube.