help sharpen

Fix sharp weapon.

                                        ,
                                     -===>)))o
                                     .   '| \
                             ^^    /(__    /- )
               ____         |.|   ,--  ---._|
              /\ __\        |||,> /-   /     \
              \:\\ \\       |||  >/-/-       |
               \.\\_\\      |||   "  /  .     |
                \/____;     |||     /  /      |
                           (|||\___/' /\_,  __(
                            ---.,__./  |-\\\\\\
                            |_|        /--\||||
                                      /   |///|
                                     /   /\   |
                                    |__/'  \__\
                                    ((((   (((((
                                    )))))   )))))
                                    (((((   (((((    
                                     | /     | /
                                 __./' \_ _./' \_
                                ////---\_)/----\_)