Not exactly an example of extraordinary workmanship, this armor deserves to be featured here nonetheless, because it is rarely seen any more.
Yes, its for a dog....specifically a hunting dog.
European nobles -Maximillian I is said to have owned as many as 1500
dogs- used to protect their highly trained animals with plate armor from the hazards of deer antlers and tusks, while flushing out deer or boar.
This particular harnisch is part of the collection at:
Higgins Armory Museum in Worcester, Massachusetts,USA