Pat dry 4 - 6 lbs bone-in pork shoulder.
Cut slits in a one-inch grid patter in pork fat.
Stuff garlic slices into grid.
Mix 1/2 cup soy cause, 4 tbsp honey, 4 tsp rice vinegar and 3 tsp ginger.
Soak pork in marinade in gallon ziplock bag or roasting pan.
Refrigerate for at least one hour or overnight.