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
PLOW: LOOK FORWARD AND MAKE OURSELVES
"The walk-behind paired with the transport carriage (thanks to "M-K"!) made. And now to get-to bring something on the farm for me, as they say, no problem. But good plow still on the...
NO NEED TO TURN THE PEDALS!
Having collected several gasoline homemade products, I decided to move with the times and turned my attention to electric vehicles. No stand-up type devices, simply put, scooters, which...