Slice pork belly into 1-inch strips; season all sides with Pecan Rub and place them all in plastic storage bag and add olive oil.
Mix well and remove air from bag, reseal and place in refrigerator overnight.
Reseason all sides with Pecan Rub. Center each slice longways with bamboo skewers.
Heat smoker to 275 degrees Fahrenheit with pecan-infused pellets from B&B Charcoal. Smoke strips for 1 hour until browned.
Place strips in a medium-sized aluminum pan. Sprinkle the strips with brown sugar and pepper flakes. Add 1 can beer, ½ bottle glaze, garlic and a splash of BBQ sauce. Cover tightly with foil and braise 1 hr 20 min.
Mix finishing sauce: ⅔ bottle Sweet BBQ Sauce, ⅔ bottle Apple Habanero Glaze, and more beer (about four ounces).
Remove pork from braise, rest on a cooling rack, sprinkle with more Pecan Rub.
Dip in Sweet BBQ sauce, and return to smoker 5–10 minutes to set a sticky glaze.