Free Shake or Float Buy any 7.5 inch sub & a side, get a regular shake or floatValid only at locations listed above. Sides include chips, fries, Wisconsin Cheese Curds, Wisconsin Mac & Cheese, drink, & soup. Max one free regular shake or float. Free sub will be lowest retail value of subs ordered. Not valid with any other coupon or discount. Sub sizes are approximate. Valid thru 3/31/22. Coupon code: CLPJANSHAKE