Redditors know I'm the biggest advocate of slow, gentle enzymatic stain removal. But there isn't an enzyme for every problem that can befall textiles. And sometimes, general purpose stain removers aren't the right tool for the job. Enter Carbona Stain Devils - sold globally under slightly different names as Dr Beckmann.
These come in nine varieties: each one specializes in what the label says, and there's a handy chart below for which to use for various maladies.