To rim the glasses, moisten the rim of the short glass by using water on a small plate or a wedge of lime. Ensure the rim is thoroughly coated (and moistened).
Pour salt onto a flat surface and roll the rim of the cocktail glass with salt ensure the entire rim is covered with a think line of salt.
In a cocktail shaker with ice, pour in the tequila, sour mix and blue curaçao.
Shake vigorously for at least 15 seconds, ensuring all ingredients are well combined.
Using the dressed short glasses with salt, evenly pour the blue margarita cocktail into each glass.
Garnish with sliced pineapple, pineapple stem and each glass with a sliced lime.
Enjoy and drink (and enjoy) responsibly!