When cleaning, use gentle, food-safe cleaners to avoid damaging the metal or wood. After use, wash the pitter in warm soapy water and dry it completely to prevent rusting. Ensuring the device is clean and well-maintained not only prolongs its life but also ensures it is safe for food contact.
Weird spring-loaded contraption found in an old kitchen. Has a loop on the bottom and a plunger mechanism. Looks vaguely medical or like a syringe?. Full article