Step 1: Examine the lock Examine the lock. A credit card will only unlock a spring bolt the type of door lock that comes with a std doorknob. It won’t work on a deadbolt. Step 2: Select a card Select a card. If you have a plastic kind card that’s low valuable than your credit card, like a mall membership card, try that 1st. Tip Laminated cards work excellent, because they tend to be flexible and laminated. Step 3: Insert card Wedge the card in between the home door and the frame where the doorknob’s latch is situated. Tip So many doors have molding that will make this most difficult; if you’re desperate to enter, you can pry it off but keep in mind this may happened more damage than the charge of a locksmith service. Step 4: Jiggle & Wiggle Holding the membership card flush against the doorframe, begin wiggling & pushing it towards the latch in the home door crack. Tip If the sloped side of the latch is not facing you, you will want a locksmith tool or long piece of plastic that you can hook around the another side & pull towards you, making this so much more difficult. Step 5: Push & bend While pushing the laminated card in, begin bending it away from the home doorknob. When you just feel it slide the latch back, the door should unlock. Step 6: Contact to a locksmith If you got into your house, don’t be so smug--it means you have a crappy lock. phone Call a locksmith and get a deadbolt lock.