I've made a simple lock for my drawers to keep my little girl away from my tools because most of them are dangerous for kids. You can use double sided tape for mounting like I did. Model have screw holes if you want stronger connection with drawers. Each drawer holds on to upper drawer, the first drawer needs to hold them all so i'm using a card reader drawer lock for the first one and it keeps rest of them in place. This is my first post, i hope it helps people.