Find the perfect Beadalon Tool for your jewelry crafting. Made to hold, shape, twist, cut and more, you'll find the comfortable design and quality construction in every tool. Tin Cup Knotter Tool- Produce a tight, consistent knot every time. Use in left or right hand to yield professional looking results. Works with pearls and crystals strung on silk or polyester thread. Allows you to make consistently spaced beads and knots. Complete illustrated instructions included. Tip is extremely sharp, not for use by children.