Machine Knitters prefer to buy yarn on a cone so that they can quickly and smoothly knit a garment without having to worry about yarn running out.  Today it is not easy to find coned yarn in your local shop but there are several online sources in the UK (you will find a list of suppliers in my next post on Resources).   You may already have a starter pack of mixed yarns or have been given/bought a job lot of mixed yarns that you are not sure about.    Is the yarn suitable for your knitting machine?  You need to check the label of the yarn.  If there is no outside…