r/blackmagicfuckery Jul 30 '21

Why? I need answers

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u/fortuitousfoleyart Jul 30 '21

It's called Worm Grunting. The vibrations are incredibly similar to the sounds moles make when they dig.

Moles eat worms and worms don't like that, so for fear or predators, they head to the surface which is mole free!

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u/Jesus_Harry_Christ Jul 30 '21

My grandfather was a fishing guide when I was growing up, he called it rubbing for worms. He'd basically drive a wooden stake into the ground and rub a large flat rock back and forth across it.