Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to pick a lock with a soda can [title] Cut out a square from the side of the soda can. [step] Make sure the edges are straight. [title] Draw lines on the shim.

Ending1: [step] Use a marker to draw one vertical line down the middle of the shim. Halfway between the vertical line and the right edge, draw another, parallel line. Ending2: [step] If you have the soda can set aside, place it on a suitable surface where it will not be disturbed, such as your desk chair or bureau. Make sure you leave enough room just to allow you to trace the design. Ending3: [step] Use paint to color the shim so that it looks like it has a defined edge. This will prevent the pull of the can too much when you screw in the shim's plastic wrap. Ending4: [step] The straight lines work best in a stand-alone lock lock, but if you're playing with a stand-alone lock, you may want to have more than one set of b17 lock pins. [substeps] Screw the b17 lock pins into the slots on the side of the lock.

Answer format: ending1/ending2/ending3/ending4