Review on 🔒 Defender Security S 4180 Doorknob Lock-Out Device – Lock with Key to Block Keyhole Access, Removable and User-Friendly, Suitable for Round Doorknobs up to 2-7/8” Diameter by Tyler Born

I bought one like this a long time ago but the key was compromised so I bought another one. When the new one arrived I found that the new key and old key are interchangeable. You can either open the old device or the new device with the old or new key. So if you get a new device because you need a new key, it's basically pointless. If you have a copy of your old key, you can simply use it on the new device. So I sent it back and just started sealing the keyhole with a piece of tape when I got out. I got home yesterday and it looked like someone had left a crumpled piece of tape on the top step, but the tape on the keyhole was intact. I want someone to make a more efficient device.