July 10, 2013 No Comments Arby’s: FREE Triple Berry Shake w/ Any Combo Purchase Get a FREE 20 oz Triple Berry Shake with the purchase of any combo. Limit one coupon per customer. This offer is valid from 7/10/2013-7/16/2013. Arby’s: FREE Triple Berry Shake w/ Any Combo Purchase – EXPIRED Facebook Twitter Add Comment Notify me of follow-up comments by email. Notify me of new posts by email.