Slow & Low Whiskey Buck kicks out the jams with robust ginger spice and rye whiskey. This craft bar quality Rye Whiskey “Buck,” the forerunner of the “Mule,” is a favored cocktail by many for the refreshing combination of ginger, lemon, rye spice and soda that will add a lil kick to your palate, a lil kick to your step, and keep you coming back for more!