It's just a hook, sewn into a bag, but I really, really like it. Peak Design is so proud of its clever integration that the San Francisco-based maker of camera gear gave it a name: BagLev, for its ability to keep its new City Line of bags levitated above the dirty ground.
Source: [The Verge](https://www.theverge.com/tech/980137/peak-design-city-line-review)