Product review (1 stars): It didn't work for me. I followed the instructions ...
It didn't work for me.  I followed the instructions.  I used a rotary tool to diligently file all the rust away and then I applied Rerack.  I let it dry for a couple days.  It only lasted a few washings before it started to peel or wear off.  It comes out lumpy and is difficult to apply.  I think I'll try again with white Rustoleum and cover it by wrapping white electrical tape around it.