PRESSURE COOKER: Rub pork with seasonings and place in pressure cooker, along with pineapple and craisins, Add enough water to make 1 c, about another ½ c or so. Close and lock lid and vent, poultry setting 60 minutes, let naturally release. Depending on the size of your roast, you may need more time to achieve falling-apart consistency. Shred and serve as directed.