Vana Tallinn Grapefruit

4 cl Vana Tallinn 40%
10 cl grapefruit juice
plenty of ice cubes
a few slices of lemon or orange
glass: highball

Fill the glass with ice, add Vana Tallinn, pour in grapefruit juice and add citrus slices. Mix with a long spoon. If you wish, you can also shake all ingredients in a shaker.