Masterline Poly Trick Water Ski RopeMasterline Poly Trick Water Ski Rope The Masterline Poly Trick is a low stretch trick ski rope built from Poly E line, designed to be more forgiving than non stretch Spectra Fusion. The softer stretch profile makes it better suited to lighter trick skiers and riders just getting into the discipline. The rope runs 13m overall as a 3 section mainline, with take off loops at 12m, 11m, and 10. 5m so you can shorten as your tricks progress. Choose the Poly