If desired, rim the edge of your glass with lime and dip it in coarse salt or Tajín.
In a cocktail shaker, add tequila, orange liqueur, lime juice, pineapple juice, and simple syrup.
Fill the shaker with ice and shake vigorously for about 15 seconds.
Strain into a glass filled with ice.
Garnish with a pineapple wedge and a lime slice.
Serve immediately and enjoy!