On tap at Shepherd & Knucklehead, crisply tropical-fruited 2015 update of brewers’ Captain’s Reserve stays refreshingly invigorating. Tangy orange-peeled grapefruit, pineapple, mango, peach, papaya, nectarine and cantaloupe juicing gets sweetened by wheat-honeyed caramel roast while moderate hop-oiled pungency, earthen pine resin and herbal notions provide sharp contrast.