That is just a pancake and a baby plate screwed together.
Apple box - pancake 1/8in: 40 dollars
Baby plate: 20 dollars
You must know about these two items. Which means you are knowingly directing your vistors to overpriced junk. You mention them in the article. It is 4 screws. A drill is 20 bucks. Plus...then you own a drill. Give a man a fire he'll be warm for a night.