rs new york string reelPremium multifilament tennis string reel from Robin Sderling RS New York is the ultimate multifilament tennis string developed by Robin Sderling together with Japanese engineers. RS New York comes very close to a Natural Gut string in terms of feel. Robin has succeeded in developing a multifilament string of absolute world class! It is recommended that you use the string in a hybrid stringbed. This provides the ultimate soft feel with great touch and