1½ oz black blended jamaican rum1 oz column still lightly aged rum¾ oz coffee-flavored brandy1½ oz pineapple juice1 oz lemon juice½ oz simple syrup
instructions :

Shake well with crushed ice.

Pour unstrained into a mug or double old-fashioned glass.

source :
Beachbum Berry’s Total Tiki app, created by the Bali Hai restaurant (San Diego, 1960)