Rigidity: Tightness in comfortable tissues e.g. ligaments, muscles and tendons, is a typical reason behind bone spurs in toes. The tight tissue pulls over the A part of the bone that it's connected as well, creating abnormal pressure and native inflammation e.g. tight calf muscles/Achilles tendon contributes to heel bone https://www.theorthopaedicandpainpractice.com/what-are-spurs-on-the-foot/