Twigs (Z)

Twigs in the shape of a Z is a quest item used only in The Grand Tree quest. King Narnode Shareen gives all of the twigs to you. When placed on the pillars in Glough's house to spell out "TUZO" ("OPEN" in Old Gnomish), the trapdoor in Glough's house with open, and gives access to a secret passage into the roots of the Grand Tree.