Blackcurrent Screw Dagger is glorious standard cocktail at 0.8 standard drinks. Built with 30ml blackcurrant liqueur dekuyper and 15ml vodka with 45ml orange juice as well as 10ml tonic water including 190ml ice and served for or with tiffins. Just fill glass with ice cubes then add black current liqueur to glass and pour in a little orange juice. Add in vodka and add more orange juice and top with tonic water and garnish with a black currants and served in a highball glass cold.