Ever wonder why some briefcases stick with you for years instead of falling...

https://knoxbfmd479.fotosdefrases.com/how-many-open-close-cycles-should-a-zipper-survive

Ever wonder why some briefcases stick with you for years instead of falling apart after a season? It usually comes down to details like full-grain vegetable-tanned leather, which ages beautifully and gets stronger over time