: The primary goal is to deceive the batsman into playing the wrong line, often leading to LBW or bowled dismissals. The "BOSU" Ball (Fitness)

: To a right-handed batsman, it looks like a standard leg break (turning away) but actually breaks toward the leg side.

Master the BOSU® Pro Balance Trainer: Ultimate Beginner's Guide

In modern usage, many people search for "bosie ball" when they actually mean the .

The Bosie (or googly) is a deceptive ball bowled by a leg-break bowler that spins in the than expected.

: The ball is held in a standard leg-spin grip, but the wrist is turned further so the ball is released over the back of the hand.