So How Do Flip Flops Cause Foot Pain Arch Thongs generally provide no arch support whatsoever. Over time this can lead your fascia to work harder, potentially creating micro-tears as the fascia gets stretched and over-worked/un-supported, and thus, foot pain. This can lead to a dropped arch called “pronation”, which is hard work to build back … Continue reading Foot Pain: Are Thongs / Flip Flops Killing Your Feet?