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The Peterson "Reach" deep curve pick works well for this keyway, pivoting from the bottom of the keyway at the front. As you lift the pin stack with torque applied, eventually its cut will reach the shear line, allowing the plug to turn; the top pin will then be completely trapped in the shell, while the bottom pin stays in the plug, no longer held down by spring pressure. Now, while continuing to apply torque, insert your pick and find and slowly lift the pin stack. Using the five or six pin lock, find a pick that lets you locate and lift each pin across its full range of motion without disturbing adjacent pins too much. That means being able to reliably pick the lock, both clockwise and counterclockwise, and being confident that you know how you opened it. Some locks will open both clockwise and counterclockwise, but many will only open when turned a particular way, depending on the configuration of the underlying locking mechanism.

When you feel confident visualizing and using picks to maneuver around the pins in the AR1 and SX keyways, you're ready to start actually opening locks. If both feel springy, you're not applying enough torque (which is unlikely). Figure 5. Applying torque. You'll notice that it resists more than it did in the previous exercise because its top pin is pinched between the plug and the shell at the shear line by the torque you're applying. In addition to making picking more difficult, secondary locking mechanisms are sometimes also intended to make it more difficult to reproduce unauthorized copies of keys. High-security locks often incorporate one or more secondary locking mechanisms beyond that provided by the conventional pin tumblers. These locks are no more or less inherently secure than standard pin tumbler locks, although the external exposure of their pins makes picking them (and designing sophisticated picking tools for them) somewhat simpler. Spend more time on this exercise than you think you need to; most people never learn to properly apply the light touch needed to pick better quality locks. Most wafer locks are made to very loose tolerances and have relatively open keyways, however, and are very easy to pick.

The other principal games are played on tables that have six pockets, one at each corner and one in each of the long sides; these games include English billiards, played with three balls; snooker, played with 21 balls and a cue ball; and pocket billiards, or pool, played with 15 balls and a cue ball. The game of pocket billiards, or pool, which uses six large pocket openings, is primarily the game played on the American continents and, in recent years, has been played in Japan. American Scott Piercy creates a splash of sand as he hits out of a bunker during the third round of the Masters. Danny Willett reacts after making a putt at No. 14 on Sunday during the final round of the Masters. Jason Day of Australia reacts after playing a shot Sunday during the final round of the Masters. Spend a lot of time playing with the three pin lock so that you can recognize the pin states easily and naturally. LAB is a lock pin and locksmith tool manufacturer. The LAB picks can comfortably maneuver around even very tight keyways, and are among my personal favorites. You will need a small set of cylinders in various keyways, a board or vice to hold them in while you practice, and a small re-pinning kit (extra pins and springs and a "follower" tool).

This keyway is common in commercial and residential locks in the US, and is close in shape and size to a number of other common keyways, including that used by Kwikset, a very popular (and easily defeated) line of US residential locks. In the lab you'll find a collection of small (12 inch by 18 inch) lock boards, each containing six specially pinned locks with a given keyway. The six character keying code gives the pinning from the front of the lock to the back, with a "-" for a missing pin stack and a digit for a pin that is installed. First count them, making sure you find all five (or six). Eventually, you'll be able to comfortably pick the locks with five and six pins installed. These locks can be picked according to the same principles as used for ordinary pin tumbler locks, but, again, different tools are used to accommodate the different shape of the keyway. The three hook picks in this kit are sufficient to manipulate the vast majority of pin tumbler locks found in the US. You'll probably find the large hook or deep curve pick works well here. You'll probably end up deciding that the small Peterson hook works best, but experiment with all the picks.

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