Strings (tennis) be more durable than many other types of strings due to its outstanding tension retention. This may help to offset the high initial cost. The use of a dense string pattern also generally improves the longevity of natural gut. Natural gut is produced by drying fibers extracted from a part of the cow intestine called the serous membrane, or serosa, which contains collagen designed to withstand the stretching and contraction of the intestine. It is this elasticity that makes the fibers useful for tennis string. Sheep intestines have also been used for racquet strings in the past. The first natural
James Stout (rackets) squash doubles on the Squash Doubles Association tour in 2012, and won the Graham Cup with his partner Greg McArthur and the William White tournament during the 2012-2013 season. James Stout (rackets) James Stout, born August 16, 1984, is a world-ranked professional squash, rackets and real tennis player from Bermuda. Stout has been the World Champion of Rackets since 2008, and is also ranked within the top ten in the world in Real Tennis and Squash Doubles. He previously played professional squash on the Professional Squash Association (PSA) world tour, achieving a career high ranking of world #116 in 2004.