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18. Grasp canopy fabric near line 1D attaching loop. Moving to center line of canopy, pull line 1D and the control line on the right riser and compare lengths to ensure control line is 15-inches (+ 1-inch) longer than line 1D. 

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Pull both lines evenly before looking at ruler to ensure an accurate measurement can be obtained. Adjust knot at the toggle to obtain correct length . 

## NOTE 

