For alternative methods, see Casting string jewellery on ruby amulets and Casting string jewellery on diamond amulets . Ensure that lunar spells are active and equip the mud battlestaff. If owned, the player can use a small or large rune pouch to store astral runes, to free up space in their inventory. Fill the inventory with 28 (27 if not using a rune pouch to store astral runes) unstrung emerald amulets and use the String Jewellery spell to string them. Making a bank preset to withdraw unstrung amulets, will increase the amounts of ruby amulets you can string per hour and also makes the method less click-intensive.