Pour 0.35 oz of blackberry liqueur into a chilled cocktail glass
Pour 0.5 oz of lemon juice, 0.35 oz of sugar syrup, 1 oz of yellow apple syrup and 1.5 oz of vodka into a shaker
Fill the shaker with ice cubes and shake
Use a bar spoon to strain into the cocktail glass
Garnish with a fan of apple wedges on a rosemary sprig