Wow this looks good, I love whiskey & pineapple juice.

3/4 oz. Rittenhouse bottled in bond rye (or other 100-proof rye).
3/4 oz. Jamaican rum.
3/4 oz. Campari.
1/2 oz. fresh lime juice.
1/2 oz. demerara syrup.
2 oz. pineapple juice.