Spikes, Iron 2024
Iron Spikes come in bundles of ten. As a Utilize action, you can use a blunt object, such as a Light Hammer, to hammer a spike into wood, earth, or a similar material. You can do so to jam a door shut or to then tie a Rope or Chain to the Spike.
Source: System Reference Document 5.2 (Wizards of the Coast) · License: Creative Commons Attribution 4.0 details