Family

Jack's Manual by J. A. Grohusko (1908, p.48) — Grohusko 1908

0.4rye whiskey — rye whiskeybase
0.2sloe gin — Gordon sloe ginbase
0.4sweet vermouth — Bailor Vermouthbase
0.5 glassice — cracked iceother
  1. Shake the sweet vermouth, rye whiskey, and sloe gin with cracked ice.
  2. Frappe and strain. Serve.

Ice: Cracked ice

Nose
Berry and rye come forward together.
Palate
This is a neat side branch because it brings sloe gin into the whiskey-vermouth field rather than keeping it isolated to gin-based drinks.
Finish
The finish is warming, lightly berry-toned, and vinous.
Summary
A sloe-gin-touched rye aromatic from the experimental fringe.

See also: Blackthorne Cocktail, Manhattan Cocktail