BLUE MOON BEADS Clamshell Bead Tips. Blue Moon features high quality jewelry components for the home crafter! These Bead tips were designed to cover the unsightly knots in your beading strings; wires and cords as well as crimp beads with an attractive; easy to use cover with a hook for attaching chains; clasps and more. This package contains eighty-four gold clam shell tips. Imported.