First, prep your liqueur and salt. Pour a few drops of orange liqueur into a small bowl (or plate) - make sure the rim of your glass can reach the bottom where the liquid is. Pour a few tablespoons of salt onto a small plate. Next, lightly dip your glass into the liquid, and keep upside down while you transfer to the salt plate. Then roll the rim lightly in the salt - the idea is that the salt will freeze all of the liqueur in place on the rim so you don't have a sticky cup. Check out the video below to see more.