0014 00  TM 10-1670-287-23&P  11. Ensure that all folds are tight and without twists. Close hook and pile fastener tapes of toggle  extender keeper. Tack top and bottom of keeper closed with one turn cotton 24/4-cord, double. Tack  through both thicknesses of keeper and one layer of the folded toggle extender.  12. Stow the installed toggle extenders in the same manner as the control toggles are installed in steps 1.  through 4.  1.  Grasp uppermost control line and pull taut. Place control line on top of line groups A, B, C, and D. Fold tip portion of stabilizer panel to the right.  Fold tail as follows:  TAIL FOLDING  Change 2  0014 00-21  Tacking  A, B, C, and  D Line  Uppermost  Control Line  Tip of Stabilizer  Panel