How to Make It
In a pitcher, muddle the 1/2 sliced cucumber with the jalapeño and 1/4 cup of cilantro. Add the tequila, lime juice, agave and bitters and stir well. Refrigerate until chilled, 1 hour.
Moisten the rim of 8 rocks glasses with the lime wedge and coat with the lime salt. Fill a cocktail shaker with ice. Working in batches and adding fresh ice, shake the cocktail and strain into the glasses. Garnish with cucumber and cilantro.