A friend of mine has asked me to string a Wilson racquet that has rollers (a 5.6 Hyper Hammer). The stringer I use is a Silent Partner E-Stringer (with floating clamps, of course). I'd really appreciate any advice about what problems I might encounter, or even if I should take on this stringing job at all. Also, is 2-piece stringing possible with this racquet? It looks to me like this might be an instance where 1-piece is required.