1 part dark rum
1 part rye
1 part cachaca

juice of two limes
heft doses of orange and peychaud's bitters
grenadine (1/2 part)
pama (1/2 part)
campari (1/4 part, optional, to add a bitter note)

Shake, serve in a tall glass or a pilsner glass. Or if you must, in a plastic hand grenade with beads.