Kuhl - Perfect Peepers NP Pin - 100pk - NPP1M-CC

I have to torture my bad chickens and poultry so i got this, works well, still holds up, very funny to watch them bump into things

I wonder what size drill bit is required to drill out the lock holes where there nostrils are.

If you're into chicken S & M , just make them a little leather head mask with a zipper for them to eat through.

There is very little information here about what this product does and how it is placed on the bird. It appears to thread through the nostrils which seems cruel and uncomfortable.