Step 1 - mustard and dry rub
Step 2 - lock the egg in at 225ish
Step 3 - run for an hour unchecked
Step 4 - check for color, spritz / mop
Step 5 - repeat spritz / mop every 30 minutes until colored appropriately
Step 6 - Wrap / reapply dry rub. Put some butter / spritz liquid in the tin foil
Step 7 - Check for tenderness (probably another 2+ hours), pull when easily flexible while wrapped
Step 8 (Optional) - apply a wet sauce / glaze once unwrapped. Return to the grill to for about 15 minutes to let the glaze set.