(TrendHunter.com) The Wayback Burgers Sour Patch Kids Shake is a new, limited-edition offering from the brand for avid fans of the sour then sweet candy to enjoy. The shake features a blend of ingredients to achieve... (TrendHunter.com) The Wayback Burgers Sour Patch Kids Shake is a new, limited-edition offering from the brand for avid fans of the sour then sweet candy to enjoy. The shake features a blend of ingredients to achieve...