To keep my bobbins under control, I purchased a 3/8"-diameter clear vinyl tube at a hardware store. I drew a line along the length of the tube with a marker, then cut the tube into 1/4"-wide pieces. In each piece I cut a slit on the drawn line. The slits allow me to wrap the clear pieces around my bobbins. Now I can see thread colors without dealing with straggling tails.
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