It's easy to knot between beads with the Beadalon Knot-A-Bead tabletop knotter tool. This ergonomically designed tool allows for two-handed knotting. The large opening can accommodate any shape of bead up to 16mm in diameter. This tool is great for knotting between pearls, as it offers consistent knot placement. Use this tool with braided cords, cotton, leather, silk, satin cord and more. Directions for using this tool are included on the back of the packaging.