David Warner allegedly told English players how he used tape attached to his hand to tamper with the ball during the Ashes. Abrasive substances are then attached to the tape to rough up or dull one side of the ball - a crucial factor in promoting reverse swing. Oddly, although Warner regularly wears the protective coverings while in the field, he removes them while batting. It was also noted that the ball regularly went to Warner between overs, a time when umpires are on the move and less aware of where it is being transferred. Warner regularly wears the protective coverings in the field, but removes them while batting

Source: Daily Mail March 26, 2018 02:03 UTC