The above tools provide the rigger with the means to pack  and maintain most of the common parachutes in use today.  There are numerous other tools, both old and new, that  individuals may wish to acquire for specialized parachutes  shown in  Figure 6-57 . In particular, there are older style  parachutes and military parachutes that cannot be packed  without specialized tools designed specifically for them. At  the same time, the profession is constantly developing new  tools to make the job easier.  After the senior rigger has put together a personal tool kit,  the next step is to acquire a selection of sewing machines in  order to do minor repairs of defects found during inspection  prior to packing. For example, if you find a small hole in the  canopy, a sewing machine is necessary to make the correct  repair. For this, a lightweight single needle machine is the  perfect beginning. As your sewing skills progress, additional  specialized machines can be added as space and finances  allow. Always remember, only those repairs allowed under  your certificate may be performed. store. The plastic handle has been replaced with a metal one.  This is almost the perfect configuration for its use. Sewing Machines Figure 6-55.  Rawhide mallet. Figure 6-56.  Binding tool. Figure 6-57.  (A) link fork, (B) pull check tool, (C) tool used to maintain continuity of risers when removing main parachute from harness,  and (D) Pro Pack hook.  6-14