Can wearing a 19th century-style corset lead to real weight loss? That’s the premise behind “waist training,” which involves lacing or Velcroing yourself into a corset-like garment to “train” your waist to be trimmer. Kim Kardashian outed Employers are increasingly prodding their workers to lose weight and get more active. Companies are going beyond just handing out pedometers and offering Weight Watchers. Now more are measuring waist sizes Employers want trimmer workers: Weight .