Dog proof pull out trash lock

My dogs are too smart for their own good. They figured out how to open the under counter pull out trash container. Every time we had chicken wings they would open the trash and spread the contents all over the house. - I tried a baby lock that you can open the trash can then you push it down and it releases, they figured it out and got it open. I put a chair in front of it, they figured it out and got it open. So, I took on the challenge to keep them out of there. I designed this latch with the