Basic weft Knitting Loops March 26, 2016 Emdad Sarker 06.98K Fabric Engineering When the needle is raised sufficiently high by the camming action to obtain the yarn in the hooked portion of the needle and the old loop is below the latch [i.e, the old loop is cleared], a knit stitch will be formed as the needle descends. Read more Types of Calenders in Textiles