Shake, Strain over a large rock, garnish.
To make the pear-ginger shrub, in a large pot, place 2 cups of pears, seeds removed and 1 cup peeled ginger. Add 2 cups vinegar and cook to just below the boiling point. Remove from heat and let steep for 10 minutes. Put everything into a large glass jar, seal, and rest for 3-4 weeks. Fine strain the liquid back into a saucepan, add 1 1/2 cups sugar, and heat to dissolve.