hi there.
i cooked this for my Irish inlaws. they loved it.
using the legs only i rub salt,garlic, thyme & peppercorns over the skin and place in a cool spot for 12-24 hrs. then put duck fat into a heavy bottomed pan and melt slowly, remove the excess salt and herb mixture and set aside. wash the legs in water and pat dry. gently put into the fat with thyme. bay and juniper berries and peppercorns. the fat should cover all the legs. bring to the simmer for 1 1/2 - 2 hrs until the meat is extremely soft, remove and allow to cool a little before scraping the meat off the bone, place into