Begin by placing the sugar cube in a lowball glass. Add the Angostura bitter dashes, the cocktail cherry and a twist of orange peel into the glass.
Use your smoking gun loaded with wood chips to fill the glass with a rich, aromatic smoke. Cover to trap the smoke, and let it infuse for about 2 minutes. Lift the cover and allow the smoke to dissipate, then repeat the process once more.
Remove the orange peel and cherry. Pour in the water and muddle the sugar cube until it's mostly dissolved.
Pour in the bourbon. Give it a gentle swirl to combine and add a large ice cube to the glass.
Take the orange peel and give it a good squeeze over the glass to release the oils, then rub it around the rim before dropping into the glass along with a cocktail cherry. You can fill the glass with smoke once more for a final touch.