Photo © ANDREW FOSKER/SECONDS LEFT IMAGES 2007 - England coach Peter Moores (c) uses a towel or a curtain on a pole to restrict the fielder's sight of the ball off the bat to improve their reactions. Here Alastair Cook (R) and Michael Vaughan are fielding - England Cricket Nets - The Brit Oval - London - 07/08/07 - UK - All rights reserved.