There’s a pretty scary reason why you should never get your ears pierced at a mall kiosk. Piercing guns have also been known to cause tissue damage, as “the intense pressure and speed of the gun’s spring-loaded mechanism is [occasionally] not sufficient to force the blunt jewelry through the flesh,” according to the Association of Professional Piercers.
Reference: rare.us/rare-life/health/dont-pierce-your-ears-at-the-mall/