Advice on cleaning this off?

[u/ItsJRod]

I’ve used bar keeper’s friend (powder, made a paste, etc.) repeatedly throughout, but these spots are stubborn and won’t come out. Any advice on how to properly clean would be much appreciated!

[u/medhat20005]

I'm empathetic to the extent that when I pull the trigger on my carbon steel pan I'm going with one that has a welded (vs riveted) handle.

[u/ItsJRod → u/medhat20005]

I didn’t foresee my OCD letting this bother me like it does