Similar to the Kapu-Kai but stronger and from the 1940s is the:
dash Angostura bitters
⅛ tsp Pernod*
½ oz lime juice
½ oz simple syrup
1½ oz 151 Demerara rum
Blend with crushed ice. Pour into a steel swizzle cup half filled with crushed ice. Top with more crushed ice. Top with ground nutmeg and ground cinnamon. Garnish with mint or a cinnamon stick or a lime wheel or... I don't know I was really drunk at the time.
adapted from pg 45 Beachbum Berry's Grog Log
A nutmeg assault coupled with spicy alcohol heat. Eventually melting away to a dilute finish (as a proper punch ought to) with hints of caramel and spice along the way. Changing up to a different rum I found less complexity but more cohesion. Perhaps "one note" when made with Gosling's 151 but still the astringency was tempered with caramel. Not a refresher or a guzzler but rather a contemplative sipper.. that begs another round.
*I used Ricard because.. I'm like that.