2 oz Gin
1/2 oz Kirsch
1/2 oz Bénédictine
1 oz Lemon Juice
2 dashes Orange Bitters
2 dashes Angostura Bitters
1 oz Soda/Sparkling Water
Orange Slice
Maraschino Cherry.

Boxcutters, Jigger, Citrus Juicer, Strainer, Stirrer (long Spoon), Straws, Collins Glass.

Add all Ingredients except the Soda and garnish to a cocktail shaker half-filled with ice.
Shake well and strain into a Tall (10 ounce or so) glass filled with ice cubes.
Top up with Soda (about an ounce-more if you need to fill the glass), then add a straw and stir to mix. Garnish with an Orange Slice and a Maraschino Cherry, and serve.