Add the cucumber, mint and lime juice into a shaker and muddle to extract flavors.
Add the mezcal and aloe liqueur with ice and shake until well-chilled.
Strain into a rocks glass over fresh ice.
Garnish with a cucumber slice.
*Aloe liqueur: Combine 1 oz Martinique rhum agricole, 1 cup reduced aloe water and 3 oz honey. Store in refrigerator for several weeks.