Summary: Back in 2016, Wanna Know Idaho listener Marshall Simmonds was out on a summer bike ride with some friends on the Boise Greenbelt. Suddenly, a bike tire popped. Then, another. Soon, Marshall and his friends found themselves walking their bikes back home with 18 popped tires, thanks to a patch of goatheads, or puncture vine, that had made its way onto the trail.
