Fine Print Use Coupon Code #3022. Some Restrictions May Apply. Includes Celery, Ranch or Blue Cheese. Coupon Valid at All Wing Shack Locations in Colorado; Loveland, Greeley, Garden City, Windsor & Fort Collins. Coupons may not be combined with any other offer. With Valpak® coupon only. Must present coupon at time of order. Coupon void if altered.