NEW LEG SHACKLE HOLDS RUNAWAY PRISONERS (Sep, 1934)
NEW LEG SHACKLE HOLDS RUNAWAY PRISONERS
A new leg shackle that automatically disables a prisoner who tries to run is being tested by the U. S, Division of Investigation. Invented by a seventy-three-year-old Louisiana farmer, it consists of two hinged steel rods, bound to the thigh and lower leg by padded chains. As a prisoner bends his knee sharply in attempting to run a ratchet mechanism in the hinge automatically locks, preventing him from again straightening the leg.