Wayback Burgers Kicks Off Summer with Free Shakes

Image Caption: Image Credit: Wayback kicks off summer with free Junior Black & White Milkshake.Exclusive Brief: 0When it comes to summertime treats, milkshakes hit the sweet spot—a cool, comfort food classic to beat the summer heat, served with a side of nostalgia. Wayback Burgers announced that it will celebrate the official start of summer by giving away one free Junior Black & White Milkshake per guest its locations nationwide on Monday, June 20, no purchase neces