Linseed oil

Linseed oil was a type of vegetable oil in the Realms, produced by pressing seeds threshed from the wildflower flax.

Availability
Places in the Realms where flax was known to be produced or sold included:
 * The Sword Coast North.

Usages
Some were known to use linseed oil in the production of ink.

Boiled linseed oil was used to clean metal to prevent rusting, including darksteel. It was recommended to do so once every seven days or so.

Notable Users

 * In the land of Sembia, painters often used linseed oil
 * The wizard Khelben Arunsun kept linseed oil in his Blackstaff Tower.

History
Blackwood, a soldier of the Neverwinter Guard in the late 1490s DR, used boiled linseed oil to clean his darksteel greataxe one a month, but it was causing rusting. Holga Kilgore criticized his laxness before she beat him up and took the axe. She planned to get some more boiled linseed oil before leaving the city.