Devices of torture used by East Africa slave traders. Iron collar(a and c) and iron mask, worn by slaves as punishment.Tin cone used for smuggling gun powder in place of sugar(d), slave yoke(e),iron slave fetters(g),wrist iron with spike for driving it into a wall(g),gangrenous amputated hand of a slave from 1879. Slave whips(i and k), slave-hunter's club, ornamented with cowries(l).