surfer's knots
Fibrous half-domed lumps of thickened skin and overgrown connective tissue, located just below a surfer's kneecaps or on the bony ridge of the feet, and sometimes on the joints of the toes; caused by the friction and pressure of knee-paddling a surfboard. Surfer's knots were a widely reported malady in the 1960s, during the later stages of the original longboard era. Pretty much painless and rarely infected, surfer's knots were in fact regarded as a status symbol, with a surfer's commitment a...