Leg theory MCC subsequently revised the Laws of Cricket to prevent the use of "fast leg theory" tactics in future, also limiting the traditional tactic. Leg theory Leg theory is a bowling tactic in the sport of cricket. The term "leg theory" is somewhat archaic and seldom used any longer, but the basic tactic remains a play in modern cricket. Simply put, leg theory involves concentrating the bowling attack at or near the line of leg stump. This may or may not be accompanied by a concentration of fielders on the leg side. The line of attack aims to cramp the batsman,
Crash cover are especially desirable, with prices ranging from US$10,000 and up; a cover at the Corinphila auction in May 2001 realized 85,000 Swiss francs (US$75,000). The American Air Mail Society has a "Crash Cover Committee" specializing in the study of crash covers. There is also a Wreck & Crash Mail Society, whose members collect all types of crash & wreck covers. Crash cover A crash cover is a philatelic term for a type of cover, (including the terms air accident cover, interrupted flight cover, wreck cover) meaning an envelope or package that has been recovered from a fixed-wing aircraft, airship or