Abstract: An the improved horseshoe, characterized in a groove structure in the ground engaging surface of the horseshoe, wherein walls of the groove have a specific angle, width, and angular extension that cooperate to receive, center and form an interlocking engagement with the nails to attach the shoe to the hoof and also, in use, funnel earth into the groove whereby to increase traction of the horseshoe.

Abstract: A horseshoe adapted to be attached to the hoof of a horse comprises a body having a U-shaped configuration, the body including a ground engaging surface, a hoof engaging surface, and a convex outer and a concave inner side wall, the side walls extending between the surfaces, and a continuous sequence of separate wedges in the form of V-shaped projections for improving traction of the horseshoe are integrally formed and extend outwardly from the convex outer side wall. An open sided swedge is provided in the ground engaging surface of the body.