The Pneumatic Waist Trainer
This bizarre belt inflated with air to “squeeze” your waist into a slimmer shape during workouts. Marketed as a revolutionary slimming aid, it promised instant results by compressing your midsection while you exercised.
Unfortunately, the pneumatic pressure restricted breathing and could cause dizziness. Prolonged use led to bruising and even damage to internal organs. The uncomfortable design and health risks quickly made it obsolete. Modern waist trainers owe their survival to improved materials and design.
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