In intricate patterns, such as cables and brioche, I insert a lifeline every now and then, e.g. after every pattern repeat. If I make a mistake, I can frog down to the lifeline, transfer the stitches to a knitting needle (it’s easier if you use one that is thinner than the ones you are knitting with!) and knit on.Unwaxed dental floss is ideal for lifelines: it’s very fine and slippery, so it’s easy to pull out again.Make sure the lifeline lies at the base of the stitches and that you do not spli