Anyone know what this kitchen utensil is?

My wife loves flea markets. She sent me this video asking if I knew what it was along with my 94 year old Father. We are all into strange things and very knowledgeable, but we have not ever seen this. The blade thing is not sharpened. Any ideas? Thanks.

Added:

By: tat2d (10440.38)

Tags: srange kitchen tool, hog castrator

Location: United States