Carved Tibetan skulls
Tibetan carved skull
A pile of buffalo skulls; the US government tries to kill off the Indian's food supply.
Prosthetic knee joint external prosthesis / pediatric / single-axis / checking of the stance phase GeriMac Fillauer
LIMBS International, a non-profit that is committed to restoring mobility to millions of amputees around the world, has designed a highly-functional, innovative, ultra low-cost, prosthetic knee.