| 摘要 |
Three handcuffs are connected in series by a pair of chains. These chains are connected to the handcuffs by eyes which are connected to the respective heads of the handcuffs and by an additional eye which is connected to the pivot of the centrally located handcuff. With the handcuffs extended, two of the handcuffs are adapted to assume coplanar relationship and the other handcuff is located in an offset parallel plane.
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