In a blender, place all the Wet Rub ingredients and blend until it forms a semi liquid paste; Pour the wet rub over the pork loin roast and rub all sides;
Place the roast on the grill for indirect and close the lid; Cooking time is about 1h30 to 2hoo or until the internal temperature of the roast reaches 145°F on an instant read thermometer;
Once the pork roast have reached is internal targeted temperature, place over direct heat and sear for 2 minutes per side; Take the roast out of the grill then cut the meat into ⅛ to ¼” thick slices.
To prepare the sandwiches, split half a bread then layer with butter, mustard, salami, ham, pork roast, swiss cheese and pickles;
(Optional) place an empty cast iron skillet on the grill over high heat and wait for the skillet to heat; Squeeze each sandwiches between the skillet and the hot grate for 30 sec for the bread to toast.