further additional advice: pretty sure 90% of opening a tough jar is persistence. if you're really crankin on that thang as hard as you can, there's a good chance you're making progress, even if it's not perceptible. at the very least you're stressing the metal or plastic and making it more malleable. there's a reason letting someone else have a go at it works so often and it's not just cuz they're stronger.
further additional advice: pretty sure 90% of opening a tough jar is persistence. if you're really crankin on that thang as hard as you can, there's a good chance you're making progress, even if it's not perceptible. at the very least you're stressing the metal or plastic and making it more malleable. there's a reason letting someone else have a go at it works so often and it's not just cuz they're stronger.
Just do the knife thing and you don't have to deal with any of this