A device is provided which gives protection from frictional injury to the web space between toes due to the wearing of thong-type sandals or other similar footwear. The device is comprised of a flat, flexible, medically inert, and preferably transparent plastic material which is can be configured in a variety of shapes and which has a plantar base portion which fits under the toes and on the bottom of the foot, stabilizing the device from moving, a web spacer portion which fits between the toes and provides protection from frictional injury, and a dorsal flap portion which anchors the device to the top side of the foot.