This person glued a little sample of the tool outside the drawer
Many people have slight OCD vibes regarding tidiness. For them, every specific thing belongs in a particular place, and that is where it should be. If they cannot find it in the right place, they could get upset. So, even if they keep something hidden in a drawer, everything should be tidy.
This picture certainly shows the work of a mastermind. This person made sure everyone would know exactly where everything was stored. How genius to know where everything is without having to open the drawers. Seeing a little sample glued to the front is helpful.