The WoodHaven Ninja Stone is a durable conditioning tool built from a blend of polymer and stone, designed specifically for maintaining crystal and glass friction calls. Its ergonomic handle gives you a secure, comfortable grip, making it easy to refresh your calling surface and keep it performing at peak realism. Whether you're tuning up before a hunt or touching up in the field, the Ninja Stone delivers consistent, reliable conditioning that helps your call produce sharp, clean, turkey‑true sound.

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These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.