Pour tequila into the shot glass, add the soda, cover with a coaster and bang the table with your drink 3 times. Down the shot!

For a dry taste: tonic water or dry lemon soda.
For a sweet taste: gingerale.
For a citrus taste: 7up, Citra, lime or grapefruit soda.
For a sweet caramel taste: coke or other cola.