Inspect the pork knuckle for any remaining bristles and remove as necessary. Place the pork knuckle into an appropriate-size pot and add enough water to cover the pork halfway. Bring to a boil over high heat, removing any scum as needed.
Add the ginger, garlic, green onions, star anise, Sichuan peppercorns, Shaoxing, soy sauces, and sugar. Adjust seasoning as n