Rim a glass with chunky margarita salt.
Slice half a jalapeno + cut some pineapple chunks.
Squeeze the juice from 1 lime.
Add all to the shaker + muddle well.
Pour 2oz mezcal in shaker.
Pour 2oz pineapple juice to shaker.
Add ice to shaker + shake well.
Strain the liquid into your glass + garnish with a jalapeno slice.