If you intend to use loops of various height, adjust the needle height rather than the stitch length. Even though the stitch length affects the loop height, it is easier and more accurate to adjust the needle height. See Selecting explicit needle height for details.
Select a stitch length for a design according to the thickness of the yarn, the thickness of the fabric and the required density. Using inappropriate stitch length may cause yarn breakage, needle breakage and damage to the fabric.
Note If the yarns in use are of the same type, the lengths of the Chain and Moss stitch are different. The following table gives an indication of appropriate values.
Tip These values may vary depending on the fabric used. When you use a new thread and fabric combination, sew a test design first using the above values as an initial guideline.