Mohammed Shami said he’s concerned about the career of fast bowlers and that he’s praying reverse swing doesn’t turn into an art that has been overlooked. Shami said sweat can be used to make the ball firm, but when it comes to making reverse swing in the sport, saliva is a must. Mohammed Shami said he’s afraid about the future of fast bowlers and that he’s hoping reverse swing doesn’t turn into an art that has been forgotten. Shami said that sweat can be used to make the ball hard, but saliva is a must when it comes to helping sport back swing.