If there’s enough pressure holding them down then it should be secure. It’s the same principle that makes ratchet straps work for securing a load to the back of a vehicle. But more importantly, it’s just an icon, so it just needs to get the idea across while being recognizable.
![Zip Bomb [Rule]](https://slrpnk.net/pictrs/image/69163f1e-f0b8-4881-8d86-b82a3d1193ca.webp){kind=link}
If there’s enough pressure holding them down then it should be secure. It’s the same principle that makes ratchet straps work for securing a load to the back of a vehicle. But more importantly, it’s just an icon, so it just needs to get the idea across while being recognizable.