Hi
The method of fastening the upper jaw of the cock is to take up little space, so that the cock in its forward stroke can penetrate the guard. The same for the traction end, which goes back instead of going up, to be able to pass the guard. The same for the losing screw, which in any case, should occupy little place and has its square end to screw it
Sorry for the translator. English is not my language.
Affectionately
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