Texans who need a bit of alcoholic incentive to get their daily steps in now have access to an accessory that will allow them to guzzle on the go. Austin-based Tito’s Handmade Vodka is now selling a “Walktail” collection intended to make dog walks a little more, ahem, spirited. At the core is the “custom-engineered” Tito’s Walk-Pack” — essentially a fanny pack equipped with mini vodka-bottle holsters.