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And whatever you do, please don't remove them from the lab without checking with me first! The LAB picks can comfortably maneuver around even very tight keyways, and are among my personal favorites. It can become very tempting to "cheat" a bit here and move ahead the moment you get a difficult lock open the first time, but that will only make the rest of the course that much harder. See Figures 3 and 4. Once you're comfortable with the AR1 keyway, move on to the "Ilco SX" keyway locks and repeat the exercise. 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. Intuitively visualizing the inside of a lock takes a bit of practice, but will pay off as you start picking locks in earnest. 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). While the LAB picks are quite nice, their small size makes them rather delicate and easy to bend or break, especially as you're learning how much lifting force and torque are involved.

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. This pick is a LAB double-ended "hook/rake" (held for use with the hook end). You'll probably end up deciding that the small Peterson hook works best, but experiment with all the picks. Most of the esoteric pick designs in the huge, overpriced sets you see on the web and from locksmith suppliers are useless, and eventually end up being discarded in favor of the basic hooks. The fourth pick is a "rake" of a long sawtooth design (the "Ripple"). Three of the picks are of a "hook" design. That said, the Peterson hook picks are a bit too large to fit comfortably in more tightly warded keyways, especially those found on higher-security locks. For most locks, especially as you're starting out, a workable compromise is often the smaller Peterson hook. The Peterson picks are more sturdy, at the expense of being bulkier (but they still fit easily in many of the keyways you'll be picking). Everything will still be there tomorrow. The traditional mahogany billiards table is still in use, but tables are now generally made of other woods and synthetic materials.

Most billiard tables use either woolen or worsted cloth. Cushions: The cushions on carom tables are designed for maximum accuracy and minimal rebound, as precision is crucial for carom shots. The bank shot is one of the most important shots in 8 pool. If just one pin sets at the "other" shear line, the lock will not open even though all the pin stacks are picked. When the final (non-security) pin is set, the lock should open. The following is a series of self-paced exercises to help you master the basic techniques of pin tumbler lock picking. They allow very precise control over torque, especially when employing advanced picking techniques that involve a slight reversing of the rotation of the keyway. However, it is worth experimenting with different rakes and raking techniques to find one or two that work well for you. Find the ward directly under the pins and pivot the shaft of the pick at the font of the keyway. If not successful, invert the pick and try again with the inverted profile. Try all your different picks. Take frequent breaks, and don't try to complete the whole course in one day. In 8 pool, there are often situations where two balls are in close proximity to each other, making it possible to pocket one ball by striking another.

The keyway is relatively open and easy to move a pick through, making it a good starting point. Your index and middle fingers should be touching the edge of the pick close to where it enters the keyway. 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. Find the board with the six "Arrow AR1" keyway locks. This keyway is a bit more "open" (it's intended to allow several different key profiles to fit in it), and so requires the use of a larger pick than the Arrow AR1 keyway does. That means being able to reliably pick the lock, both clockwise and counterclockwise, and being confident that you know how you opened it. It is important to develop a "mental image" of the internal state of the lock, the locations of the pins and your pick, etc, as you manipulate the pins. Figure 4. Manipulating pins. 3. What are the symmetries of the arithmetic billiard path (as a geometrical figure)?

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