Aerospace engineers need briefcases that keep precision tools and laptops...

https://sofiassuperbthoughts.hexaforgey.com/posts/how-to-spot-cheap-stitching-on-a-premium-briefcase-in-10-seconds

Aerospace engineers need briefcases that keep precision tools and laptops secure during travel. We review cases designed for a 15.6-inch laptop with reinforced corners and hinges rated for 20,000 cycles