BOHIN BEESWAX makes your thread stronger in order to reduce knotting while stitching. The handy container has open slots at the top and bottom. Just position your thread into the openings and draw back and forth until it is coated. No mess and very easy to use. If you have never used this, you will be surprised the difference this makes in your stitching.
Keep it handy for quilting, sewing, patchwork, embroidery, and great on canvas work, plus, keeps fraying to a minimum. You will wonder how you got along without it.