The Driver Ant (Siafu), when placed near a lacerated flesh wound will instinctively drive it's pincers into the flesh and pull the wound together. The body can then be removed from the head and the would will remain closed to heal.
There you go.
See what I mean about a bonus...thanks.
Now, If I told you I have an aspirin tree in my yard, what kind of tree do I have?(Preppers ought to know this.)