A set of handcuffs having two wings connected by means of a hinge wherein the hinge sections are formed directly on the wing section walls and the handcuff locking mechanism operates as a hinge pin to hold the wing sections together and as a locking device. Each wing section comprises an arcuate bow portion and a shackle portion which pivots about a pivot pin holding the two sections together and which allows the shackle portion to swing through an arc of 360. degree. A detent or pawl, cam operated and spring and pin biased, engages and disengages teeth formed on the shackle to alternately hold the shackle in place and allow it to swing open.
