 In such cases, the knitter can resort to a variety of alternative techniques, such as double-pointed needles, knitting on two circular needles, a Möbius strip-like "magic needle" approach (commonly known as "Magic Loop"), or careful use of slip-stitch knitting or equivalently double knitting to knit the back and front of the tube.Felting is the hand-knitters' term for fulling, a technique for joining knitted or woven animal-yarn fibres.The finished product is put in hot water and agitated until it starts to shrink.