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,
Album cover "album" was used for the new format of collections, and the creation of artistic original album covers continued. From the 1950s through to the 1980s, the 12" LP record and the 45 rpm record became the major formats for the distribution of popular music. The LP format remains in use for occasional new releases, though other formats have largely supplanted it. The size of the typical cardboard LP sleeve cover is square. Since the mid-1990s, the compact disc (CD) has become the most common form of physically-distributed music products. Packaging formats vary, including the jewel case (which since 1982 has