Cut Cucumber lengthwise (very thin) and place them on the inside of the glass
Cucumber
Fill the chilled glass with Cubed Ice.
Cubed Ice
Next, add 1 ½ oz Gin.
1 ½ oz Gin
Fill up with Tonic (one high ball glass holds 240 (1 cup) to 350 ml (1 ½ cups)).
Tonic
Garnish with a Lemon and drinking straw.
Lemon and drinking straw
Video
Notes
Hold the glass by the bottom so you don't touch the rim. This also keeps the glass cooler.
The glass should be filled to the rim with ice to best chill the drink and minimize dilution.
In an attempt to protect our environment, we avoid using disposable straws whenever possible, using either metal or paper straws, or simply leaving them out if we can.