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Stick the tension lever into the bottom of the lock. Push the lever counterclockwise to apply tension. Stick the pick into the lock and feel for the pins. Push down on your lever until you hear a click. Lift the rest of the pins in the door lock. Turn the tension lever counterclockwise to open the door.
Take the shorter, bent end of the tension lever and stick it into the bottom hole in your door lock. The tension lever will hang down the front of your doorknob. You'll use the lever to maintain tension on the lock as you pick it and as a way to rotate the doorknob once you've picked the lock. Maintaining tension on the lever will rotate the barrel in the lock which will allow you to lift each individual pin. Push the lever until you feel some tension. You do not need to use a lot of force. Keep tension on the lock as you pick it. This tension is necessary or the pins will just drop back down into the barrel, keeping the knob locked. Stick the slightly bent end of the pick into the lock so that the tip is facing upwards. The pins sit on the top portion inside of the keyhole. Feel for the pins with your pick by pushing down on the handle of the pick while it's in the hole. Press down on the handle of the pick to push the pins up. Most traditional doorknobs will have 5 or 6 pins. A key pushes the pins up in the exact position they need to line up with the barrel, thus unlocking the door. Some of the pins will slide up with ease as you push down on it with your pick, while others will have some resistance. Pins that have resistance are known as seized pins. Concentrate on the pins with a lot of resistance first. Locate a pin that's hard to push up, and push down slowly on the handle of your pick until you hear a click. The click is the sound of the pin setting on the barrel. You need to set the seized pins first before setting the other pins in place. Continue feeling for the pins with your pick and press down on the handle of the pick to lift up every pin. Once every pin is set on top of the barrel, the door will be unlocked. Grab the end of the tension lever and turn it like a key until the door is unlocked. Your door is now unlocked! On most doors, you have to turn the tension lever counterclockwise to open the door but some doorknobs may differ. The tension lever will only rotate fully if the pins are correctly set on the barrel of the lock.