The lock bolt is in the mailbox does not always withstand the encroachment of the feeder bullies. Too primitive its form is thin and the iron from which it is made.
But if you replace the stock bolt with steel plate cross-section 20×3 mm, bent as shown, so just the box, no one will open.
Recommend to read
CARAVAN
No, we are not talking about shifting residential home from one place to another, what we have witnessed in the period of reconstruction of our cities, and about unusual homes-travelers...
DRILL THE HOLE UNDER THE
The idea is to make readers Boer came to me in the following everyday situations: having descended into the manor house, did not have time before winter to conduct water from the well....