By Sharon Fisher | September 8, 2022 Experts have been warning entrepreneurs that access to the pool of startup funding is going to be tightening. One Idaho startup has found that one the hard way. But Matthew Bishop, cofounder and CEO of Iron Mule Inc., is regrouping to take another shot at it. What is Iron Mule? Iron Mule is a six-year-old Boise-based coffee roastery with several brands — Café Mule, Direct Access, and Ironside Roasting Company — that it primarily sells to grocery stores, Bishop said. Each brand has a different price point and a different positioning, he explained.