I have 75% completed the beaming of a warp for a mans scarf, using the Front-to-Back process. I now find that what I thought are 2 correctly threaded ends are in fact 2 ends of a sigle looped thread. In her book "Weaving for Beginners", Peggy Osterkamp suggests that this situation can be corrected by cutting the middle of the loop and then tying on 2 new warp lengths. If I do this, what type of knot should I then use? Or, would it be better to make a single cut at one end of the looped thread and continue to use that thread plus then tie on the required additional new warp thread; this would of course entail unwinding the already beamed portion of the warp. Grateful for advice.