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In a variety of the game called three-cushion billiards, the cue ball must also touch a cushion or cushions three or more times to complete a carom. Keep practicing with the two pin lock, trying to lighten your touch as you do, and making sure you consistently can pick the pins one at a time. Figure 4. Manipulating pins. See Figure 7 for an example of a serrated pin. Figure 3. Holding a pick. This style of tool is especially useful for holding open automotive locks that have spring-loaded dust covers. Another style of torque tool has two "prongs" that fit in the top and bottom of the keyway, with a cutout between them for the pick. For this exercise, you'll use your torque tool and pick on the two pin lock to put the pins in each of these states to learn what they feel like with your pick.

Hold your pick as you would a pencil when you work the pins. When you hold a cylinder in your hand you get different feedback from the pins than you do on a real door. When the energy transfers, the top pin moves up while the bottom pin slows down, and a gap is created between the two pins. Once a man was down, he was allowed to rest for 30 seconds. 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. When you reach the shear line, the plug will turn. You may hear a faint "click." This is because you've pushed the cut (between the bottom and the top pin) up to exactly the shear line. Now apply heavy torque, with the aim of pinching all the bottom pins at the shear line. 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. Very "wavy" rake picks can simulate various key profiles, and can be surprisingly successful at opening poorly-made locks.

Some wafter lock cylinders (especially certain Chicago-brand locks) are double bitted, with some wafers making contact with the key at the top of the keyway and others at the bottom. 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. Many inexpensive locks are grossly misaligned, making them quite forgiving of chaotic picking technique. Yes, while various sizes exist, regulation sizes are commonly used for professional play. Are there different sizes of billiard tables? Initially played outdoors, the game evolved into an indoor activity as tables were refined. If you’re new to the world of billiards, also known as pool, understanding the rules and fundamentals is crucial to enjoying this classic and competitive game. Billiards is a game of precision, strategy, and finesse. As the peaks hit the pin stacks, energy is transferred from the bottom pins to the top pins, much like the action of the cue ball in billiards. There are locks with two, five, and six pins in each keyway, but the keying codes aren't labeled on them. The most common security pins are the "spool" and "mushroom" top pin designs, which are thinner in their mid-section.

The pins toward the back may feel a bit different from the pins in the front. Lift each of the pins from front to back. An alternative technique, which I have not seen mentioned in the literature, is to first determine which pin stacks have security pins and which have regular pins (by picking normally and noting which stacks are false set). Now re-apply torque and set the first binding pin. In lock picking terminology, we say that the pin statck is binding. Often raking is used to best effect in conjunction with pin-at-a-time picking. The most comprehensive treatment of raking techniques I've found is in the Finch Manual of Lock Picking, although other authors have different perspectives on the subject. What follows is a brief summary of several of the most popular techniques. They allow very precise control over torque, especially when employing advanced picking techniques that involve a slight reversing of the rotation of the keyway.

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