Hang on, I need to switch seats to clean out my left kidney. I'm surprised there's no 1950's-style fat-blaster for the modern dislodging of kidney-stones by vi

Hang on, I need to switch seats to clean out my left kidney. I'm surprised there's no 1950's-style fat-blaster for the modern dislodging of kidney-stones by vigorously shaking a person's midsection.