"Came in a swag bag for a horse show. About 8 inches long, not sure of it’s purpose."
A: "It’s a mask extender. It wraps around the back of your neck and you attach the ear loops of the mask so your ears don’t chafe/get sore. wear it correctly and you’ll be advertising their website on the back of your neck all day."
#4... What box? you see something I can't?
#2 Ive seen lots of adze, I live where they are made culturally. There are lots of different shapes depending on the purpose of it the region it was manufactured.