One shot of freshly squeezed juice
Two shots of Silver Patron or tequila of your choice
Squeeze of agaveĀ 
Tajin or kosher salt for rim

Using two small plates, in one add a few drops of lime juice, in the other a shake or two of Tajin.
Dip the rim of your glass in the lime juice and then dip in the tajin.
Add some ice into your glass.
In a cocktail shaker with ice, add the lime juice and the tequila.
Add a dash of agave.
Carefully secure the cocktail shaker and give it 20 vigorous shakes.
Pour into your prepared glass and ENJOY