Here is a unique weapon - a gun-buckle.
Such weapons have been created in the 30s of the last century in Nazi Germany.
Due to the fact that the area of use buckle pistol was severely limited,
special popularity this kind of weapons has not conceived, and was released quite a few.
There are two types of buckles, guns - and dvuhstvolny chetyrehstvolnaya (7, 65 and 5, respectively, 6-gauge).
When pressed, the upper part of the buckle is opened and immediately be shot.
In other models, after opening the buckle must still pull the trigger.