1 6-7 lb. boneless pork shoulder. Rub with All Purpose rub. Place in 250 degree smoker. Smoke for 6 hours, spraying with apple juice every 30 minutes after the first hour of smoking. Double wrap pork with heavy duty foil. Place back in smoker and continue smoking another 5 hours. Remove from smoker and let rest in a cooler lined with newspaper for 1 hour. Open foil and save juices. Pull pork apart using 2 forks. Serve with reserved juices.