Place 3 blackberries, 3 raspberries, 3 strawberries and 1 bar spoon of bilberries into a blender
Add 0.5 oz of lemon juice, 3.5 oz of pineapple juice, 3.5 oz of orange juice and 0.35 oz of grenadine syrup
Add a scoop of crushed ice and blend
Pour into a sling glass
Garnish with a mint sprig and a blackberry, a raspberry and a bilberry on a cocktail skewer