Ellis Achong 1932. Achong is better known for playing cricket. He was mainly a bowler. His stock ball was left-arm orthodox spin (left-arm finger spin), but one of his variations was unorthodox left-arm spin. After bowling this variation to have Walter Robins stumped at Old Trafford in 1933, it is reputed that Robins said to the umpire, Joe Hardstaff Sr., "fancy being done by a bloody Chinaman". Learie Constantine is said to have replied: "Do you mean the bowler or the ball?" An unorthodox left-arm spin delivery (spinning from the off side to the leg side for a right-handed batsman) is known
Wrist spin over into common parlance for its offspin cousin, and the terms arm ball, backspinner or more recently teesra are used instead. The flipper is the name of a particular bowling delivery used in cricket, generally by a leg spin bowler. In essence it is a back spin ball. Squeezed out of the front of the hand with the thumb and first and second fingers, it keeps deceptively low after pitching and can accordingly be very difficult to play. The flipper is comparable to a riseball in slow-pitch softball. By putting backspin on the ball the Magnus effect results in air