Training Bundle! Gray-Nicolls EW Technique Bat with Steeden Leather Ball on StringBundle Contains: 1x Gray Nicolls English Willow Technique Bat 1x Steeden leather ball on a string Product Info: GN Technique Bat Made from English Willow. Reduced width assists your ability to hit the middle with your normal bat. Product Info: Steeden Leather ball on string When hung above the player, this ball on a string is designed to improve batting skill.