The Under-the-Door Lever Opener Tool is simplythe fastest and easiest way to open commercial levers. Having this tool will make you feel joy ever time you see your lock pick call involves a commercial lever. Learn how to do it right and you'll open that door in less than 10 SECONDS! The only thing that should prevent you from opening that door is if there is something behind the door stopping you from sliding the tool in, or sometimes if there is a lot of the customer's belongings hanging on the interior lever.
Make sure you purchase a replacement cable. Always keep a replacement handy. It's pretty unusable after a cable breaks.