I've worn this device more than 10 times and tried different ways to keep it on my shoulders while running, but I won't. I ended up using a piece of tape to hold the lines together across my chest. After that no problem. It's light and the belt is comfortable. Works very well.
Portzon Women'S Waist Trainer: Weight Loss, Sweat Belt, Sauna Trimmer, Tummy Toner, Lumbar Support
47 Review
Metal Frame Night Driving Glasses For Men: BIRCEN HD Anti-Glare Night Vision Glasses For Safe Driving
47 Review
Segmented Beaded Kids Jump Rope For Exercise And Outdoor Activities - Durable And Shatterproof - Easily Adjustable And Light Weight Skipping Rope For Kids
48 Review
Ultimate Fitness Tracker: Xiaomi Mi Smart ๐๏ธ Band 6 - 1.56'' Offers Unmatched Features and Performance
78 Review