My friend made up one of those last year and flogged the water with it, saying it will work, it will slay them, and there cheap to make. I agreed with the cheap to make part, as this guy used penny's before with a hook on them. Anyway here's the scoup (or poop) use a whole bent beer can as a flasher if you want to catch the big ones.
Ah yes, but these lures are much more then just bent bottle tops. The lures can be had shaped into spoons, rattlers and more. The company also offers to make custom lures for dealers.
Recently I have been looking into different smaller companies and private people making lures and it is just amazing what some folks come up with. I have found a private person in America who carves fishing lures that are unique. He started his hobby because he never could find the lure he wanted. Sometimes fishing success comes from using something very different then anybody else does. This is especially true for waters that see a lot of fishing and where the fish are "educated".