Note: These kits can also apply to head and shoulder slots, which Knothide Armor Kit does not.
- Patch 6.0.2 (2014-10-14):
- Stamina is increased by 6 instead of 8.
- Can be applied on any item with level 600 or lower.
- Patch 4.0.1 (2010-10-12): No longer requires to be learned from Master Leatherworking trainers in Outland.