Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to pick a tubular lock [title] Buy a practice lock to perfect your lockpicking technique. [step] If you're learning to pick tubular locks as part of a hobby and are mainly concerned about technique, purchasing a practice lock may come in handy before buying the real thing. Practice locks show the inside of the lock so you know exactly what you're doing as you pick it.

Ending1: [title] Get a work lock or lockpicking kit. [step] Most of the time, a lockpicking kit is included with your kit, just in case you don't have it already. Ending2: [substeps] If you're trying to open a specific item and don't particularly care about technique, you don't need to purchase a practice lock. [title] Examine the lock to determine how many pins it has. Ending3: Practice locks are easily purchased from a store that specializes in the type of lock you are picking. [substeps] Practice locks can sometimes be found at online stores for low to mid priced prices. Ending4: To test your lock picking skills, look online for tubular locks to test yourself. Practice locks are available at most hardware stores.

Answer format: ending1/ending2/ending3/ending4