$prefabs_item_sail_undead_item_description
Any captain that flies this sail is just asking for trouble.

$prefabs_item_sail_undead_item_name
Sail: Spooky Sail

$prefabs_item_sail_viking_item_description
Blessed by Polos, ruler of the Northern Seas.

$prefabs_item_sail_viking_item_name
Sail: Raider Sail

$prefabs_item_sail_white_item_name
Sail: Simple Sail