* Some [[:Category:Butchering items|butchered items]] can provide more than one use in creating a cover.
* Higher potency covers give more [[natural substances]] skill.
* Making healing covers for [[natural substances]] skill grinding follows the same rules as mining you only get a NS tick if the Ql of the healing cover you created falls in the range of 1.1-39.99
'''Read more''': [[Bandage]] | [[Farmer's salve]] | [[Healing Guide]] | [[Wound]] | [[Natural substances]] | [[Alchemy]]