Has anyone else tried Lloyd Walkers latest tweak?

Lloyd Walker has a new tweak: the black diamond crystal for cartridges. It's a crystal you put on either the tonearm or the cartridge that [I KID YOU NOT] transforms the sound! I know, I know, [don't ask me to explain it,I can't] it can't be all that, but i'm tellin you try this thing [if you don't like it you can return it] for less than half the price of a really good cartridge you get A REALLY GOOD CARTRIDGE!!!

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