If you are still afraid of the security of personal belongings or valuables that are in your drawer, then maybe this could be an option key.
Covert is a key to the drawer with the magnetic system is totally invisible, so make your drawer like a drawer that does not use a key.
The use of magnets as a substitute for making key lock (hook) that is in the inside of the drawer is not visible and open enough to attach the existing magnetic lock into position and slide the hook to open it.
In addition to the drawer, Covert also be used for cabinets. Covert also promises ease of installation and you certainly do not need to make a hole to install this key.