Scrimshaws are items that may be equipped in the pocket slot. They are created at the Scrimshaw Crafter in the workshop of a player-owned port with the Fletching skill. They impart a range of benefits, many of which are geared towards increasing level gain during high-levelled training. All scrimshaws have both a tradeable and an untradeable (superior) version, with the superior one being better than its tradeable counterpart. They can be activated and deactivated while worn: tradeable scrimshaws last for 3 hours of activation, while superior scrimshaws last 4 hours, after which they will vanish. Logging out, or switching worlds (join) will cause the scrimshaw to deactivate. When the scrimshaw runs out of time, this message appears in the chat window (unless Game Messages is turned off): "Your scrimshaw has run out of charge and disintegrates".
High-level fletchers can make scrimshaws starting at level 85, up to level 95 for the higher tier scrimshaws. The required level is needed and temporary skill boosts do not work. Scrimshaws can be only made at the player-owned port, in a refitted workshop or a workshop of a higher tier. Each scrimshaw requires 10 ancient bones to make, and gives 4,000 Fletching experience. The experience bonus of the workshop applies to making scrimshaws.
Scrimshaws bear many resemblances to Auras, as they are both made from bones originating from the Eastern Lands, and they have an activation time. The main differences are that, unlike Auras, scrimshaws degrade to dust and therefore cannot be recharged, and Scrimshaws are crafted, while Auras are from the Loyalty Shop.