Bait alkalinity or acidity: A bait may be manipulated so that when mixed with water to create a solution the perfect solution is it makes is a bit more acid or alkaline. There are lots of doubts about precisely how acidity of a flavor for instance genuinely impacts upon the fish receptor cells. This involves numerous types of chemical and bioelectrical receptors, proteins and specialized channels and nerves connecting and ultimately causing the brain. Flavors work; if they did not we might not be able to detect roast beef or Tutti Fruitti ice cream and feel hungry as biofeedback start working, and fish in water are similar! Flavors have various amounts of impacts and intensely few substances have zero inherent flavor whatsoever; even plastic and rubber baits contain substances that fish can detect right down to 1 part in several millions otherwise more than a billion. . . In geometry, the rigid motion is described as A mapping of the plane to its own and the distance between A and B is the same as that of A'=M(A),B'=M (B). Extreme sports is a multi-form sport project and game, life and work evolution, participation in the youth dominated by the high difficulty spectator sports. In the process of integration with nature, human beings, with the help of modern high-tech means, maximize their self-physical and mental potential and play an entertainment sport that challenges themselves. It except pursue athletics sports superego physiological limit "higher, faster, stronger" outside the spirit, more emphasis on participation, entertainment and brave spirit, pursue when surmounts psychological barrier obtain pleasure and a sense of achievement, at the same time, it also embodies the human nature, return to nature, to protect the environment of good will, so has been the world known as "the future sports".