Coca-Cola (or coke)
4 of ice cubes (or ice)
1 oz of herradura blanco tequila (or spicy tequila)
Salt
1/2 of msr tequila (or Agavero Tequila Liqueur)
Rub rim of glass with lemon juice and dip rim in salt. Put 4 ice cubes into the glass, add Tequila and juice of half a lemon. Add some more salt if you like and fill the glass with Coca-Cola. Stir gently.