![Just bought an Osprey Nebula 34 backpack and can't figure out the purpose of this “port” on top of the sternum strap clip. : r/whatisthisthing Just bought an Osprey Nebula 34 backpack and can't figure out the purpose of this “port” on top of the sternum strap clip. : r/whatisthisthing](https://i.imgur.com/HOKAOdi.jpg)
Just bought an Osprey Nebula 34 backpack and can't figure out the purpose of this “port” on top of the sternum strap clip. : r/whatisthisthing
![Amazon.com : Ponini Adjustable Security Clip Chest Sternum Strap Compatible with Osprey Backpacks : Sports & Outdoors Amazon.com : Ponini Adjustable Security Clip Chest Sternum Strap Compatible with Osprey Backpacks : Sports & Outdoors](https://m.media-amazon.com/images/I/41vILtIY2LL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Ponini Adjustable Security Clip Chest Sternum Strap Compatible with Osprey Backpacks : Sports & Outdoors
![Amazon.com : Ponini Adjustable Security Clip Chest Sternum Strap Compatible with Osprey Backpacks : Sports & Outdoors Amazon.com : Ponini Adjustable Security Clip Chest Sternum Strap Compatible with Osprey Backpacks : Sports & Outdoors](https://m.media-amazon.com/images/I/7177cfKJQ-L._AC_UF350,350_QL80_.jpg)