Open The Wall is geschmackvollen diluted cocktail at 0.7 standard drinks. Layered with 30ml huckleberry liqueur finest and 200ml soda water with 60ml beer brew roggenbier and best with lunch. Just add huckleberry liqueur into glass then stir in the soda water and sprinkle the roggenbier beer on top and add fine food on the side and served in a highball glass cold.