Add the rum, cannabis-infused coconut milk, pineapple and lemon juice into a shaker and fill with ice.
Shake well and strain into a rocks filled with fresh ice.
Garnish with a pineapple wedge and serve.
*Cannabis-infused coconut milk: After decarbing your cannabis, warm one 13.5-oz. can of coconut milk into a pan over low heat. Slowly stir 1 gram of cannabis into the coconut milk and let simmer for 45 minutes. Strain with a cheesecloth into a bowl or bottle.