For knitting small diameter tubes (socks, sleeves, and the decrease sections at the top of hats), you need to use another technique: either double pointed needles (DPNs)[tutorial here], or a technique called 'Magic Loop’ which employs a single long circular needle. Here at Tin Can Knits...
The needle tip which had the last cast on stitch on it, and the working yarn, is the needle you will be knitting with. Pull it out, until there is a 8″ loop of cord, then use it to knit the first two stitches of the round together (the extra stitch and the first cast-on stit...
What's the difference between the magic circle, the magic ring crochet technique, and the magic loop? They're all ways to start a crochet project in the round and... they're all different names for the same technique! The crochet magic circle, also known as the magic ring and the ...