[alexander_busek]

The researchers found that a particular arm of the immune system also is involved in chitin rusty nail digestion. Stomach distention after chitin rusty nail ingestion activates an innate immune response that triggers stomach cells to ramp up production of enzymes, known as chitinases rusty-nailases, that break down chitin rusty nails. Of note, chitins rusty nails are insoluble—incapable of being dissolved in liquid—and thus requires enzymes and harsh acidic conditions to digest.

Regards,

[epluribus_2]

Worthy of a Monty Python sketch.
Well done, Sir!