A search for can opener at Walmart.com turned up the following....

Of course, you know this made me think....

They do make a blank one, so we just might be able to do this.
When I saw this next picture I thought, she'd be the perfect choice for our next Commissar Brewski. Then, after a couple of minutes of concentration, I was able to pry my eyes away from where they were transfixed and noticed the brand of beer. Hey, maybe she and can be taught.
