Legit or Fake: ElectroStimulation, Waist Trainer & Posture Corrector

Do Electrical Muscle Stimulators work? ElectroStimulation works? EMS Sculpt… Like Cristiano Ronaldo says. Muscle shock device to make your muscles work on their own. Sounds too good to be true?
Do Waist trainers work? Change the shape of your waist by wearing a waist trainer for a while, maybe it does, but maybe you might not live to find out.
Do Posture trainers work? Do they fix bad posture? How do you fix a bad posture? Posture trainers to pull shoulders back? Well, if you wanna make it even worse, maybe they’re a good idea.
Do fitness devices and accesories work, or are they Just BS?

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