Procedure Disassembly The term “Velcro $^{®}$” is used in a generic fashion for hook and  loop fastener. While the rigger should replace the Velcro $^{®}$  to match the original configuration. This installation has  proven superior for its holding ability and the secure line  stow configuration. 1.  Mark the location of the old Velcro $^{®}$.  [Figure A] 2.  Remove the old Velcro $^{®}$. 1.  Cut a new piece(s) of Velcro $^{®}$ to match the original. 2.  Position the Velcro $^{®}$ to the original location. 3.  Sew the hook Velcro $^{®}$ with a single-needle machine.  Sew an additional row of stitching down the center of  the Velcro$^{®}$.  [Figure B]  This keeps the center from  lifting during use and tearing out the edge stitching. •  Before installing the confluence wrap, make sure the  zigzag stitching is complete. •  The loop length should be the same as the old loop. •  The confluence wrap must be reinstalled. •  Applicable products: Most main risers with a Velcro$^{®}$  toggle installation •  Description: Replacement of the Velcro$^{®}$ toggle  keeper on main risers •  Authorized repairmen: FAA Senior or Master  Parachute Rigger  •  Materials: E thread, Velcro$^{®}$ of the appropriate width  and type Reassembly Inspection Main Riser Steering Toggle Velcro$^{®}$ Replacement •  Machines: 301 straight stitch—medium duty 7–11 SPI •  Equipment: Scissors, seam ripper or scalpel, marking  pencil, and 6-inch ruler 7-64