How to make Beaded Earrings Celtic Knot Triquetra with TOHO 15/0 Beads. Beading Technique: Tubular Herringbone Stitch/Ndebele. Beaded Jewelry. Official website: http://www.vipbiser.com/index.php/en/3d-tutorial/item/57-beaded-earrings-celtic-knot-triquetra