Assemble ingredients. Put ice in cocktail shaker.
Peychaud's Bitters (2 dashes)
Fresh Blueberries (10)
to a low ball glass.
and add to cocktail shaker.
Rum (1.5 fl oz)
to cocktail shaker and stir with bar spoon.
Pour chilled rum and lemon into low ball glass. Add a few pieces of ice or strain completely -- your choice!
Top with ginger
Ginger Beer (to taste)
, garnish with lemon wedge, and serve!