Ends per centimeter, also known as sett. Placing the weft into position using the beater. Is header kind of weave? It is very helpful.
Paper, such as brown craft paper, can be cut into a circle (the diameter a little shorter than the size of the boat shuttle shank) and rolled around the bobbin winder shank to form a surprisingly sturdy, reusable quill. If the selvedges pull in too much, warp ends may break. The spacing of the threads in the reed determines the density of the weave.