You're right that the drink can be made with brandy instead of whiskey. While most recipes don't call for bitters, no doubt a few dashes of Angostura Bitters would taste good. You can, of course, make your Horse's Neck however you like.
festizioposted 4 years ago
lol wtf, this recipe isnt right, a horse's neck is made with ginger ale, brandy, and bitters