Salt and black pepper the whole pig.
Cure the pig for 24 hours under refrigeration. Remove the pig from the refrigerator and rinse thoroughly. Make several slits in the legs of the pigs. Stuff whole garlic cloves into each leg. Lightly oil the pig. Season the entire pig with Essence. In a large mixing bowl, whisk the juice and zest of the lemons, juice and zest of the orange, crab boil, Steen's, Worcestershsire and olive oil together. Place the pig in a heavy garbage bag and pour the marinade over the pig. Tie the bag tightly, pressing all of the air out of the bag. Marinate the pig for 2 days, turning the pig occasionally. Preheat the oven 175 degrees. Place in the oven and slow roast for 10 to 12 hours.