Stroker With this kind of technique, the bowler relies more on precision than strength. This technique is characterized by employing the "by the book" style of playing that entails the proper execution of even movements, keeping square shoulders to the target all the way through the release of the ball, and maintaining an on-time move at the "foul line. Bowling itself dates back thousands of years into the history of man. It is believed that bowling pre-dates written history. As the years marched forward, so did the game and along with it the rules of the road. From ancient man and the courts of English kings to local alleys in cities all over the world, bowling alley etiquette has evolved into what players of today expect. The very nature of swinging the arm with a weight of the ball at the end and the sliding motion as you move towards the alley puts a considerable amount of stress on your muscles and joints. It is good practice to do some warm-up exercises before bowling. This will make sure that your muscles are sufficiently warmed up and your joints loose enough for the activities you're about to perform. The coverstock is the outside of the bowling ball. It is what makes contact with the lane. The core of the bowling ball is a complex mixture of dense materials that controls it spin and hook. As a ball becomes smaller in weight the core becomes smaller. The filler is material that fills the void between the coverstock and the core. These irregularities (if any) would affect every delivery of the ball as well as the scoring. There are three types of pins that are commonly used in bowling. The first type is the Vulcan Vultex 2. This type of pin is popular with many bowling venues. They like its structure and that it is made with a molding that has a surlyn coating and it looks hard and heavy duty product. With the variety of modern balls available, bowlers are able to create styles that help them hook the balls. Bowling balls that are designed today are able to provide stronger and better hooking capacity. Here are some tips to help in learning the hook techniques: 1. It is necessary to choose the right ball.