Step 1

Combine salt and lime zest on a small plate.

Step 2

Combine tequila, pineapple juice, lime juice and orange juice in a pitcher.

Step 3

Rub the rims of 6 glasses with the lime wedge and dip in the salt mixture. Fill the glasses with ice and top with about 1/2 cup margarita mixture each. Garnish with pineapple and lime, if desired.