....#...##                                          .#.#.#.##.
.....#..#.                                          .......###
#.....#...                                          #......#.#
##.....#..                                          .#.......#
.##.....#.                                          ..#......#
.###.....#                                          #..#......
.#.##.....                SPEED HOLE                ##..#.....
...###....                =====.====                ###..#....
...#.##...                                          #.##..#...
.....###.. TURN YOUR WALKMAN LIKE  A TURTLE.  THERE ..###..#..
.....#.##. MIGHT  BE  SOMETHING  THERE  THAT  LOOKS ..#.##..#.
.......### LIKE A  SCREW  HOLE  BUT IT  COULD  BE A ....###..#
#......#.#                SPEED HOLE.               ....#.##..
.#.......# THE   RULE  IS  IF   YOU  CAN'T   GET  A #.....###.
..#......#  REASONABLY SMALL SCREWDRIVER IN THERE,  ##....#.##
#..#......          IT'S NOT A SCREW HOLE.          .##.....##
##..#.....                                          .###....#.
###..#....                # USAGE #                 .#.##.....
#.##..#...                                          ...###....
..###..#.. USE THE SPEED  HOLE  LIKE  A SCREW  HOLE #..#.##...
..#.##..#.      BUT WITH A TINIER SCREWDRIVER       .#...###..
....###..#                                          ..#..#.##.
....#.##..                 @ THIS @                 #..#...###
#.....###.               @ ADJUSTS @                ##..#..#.#
##....#.##                 # THE #                  ###..#...#
.##.....##               .# PITCH #.                #.##..#..#
.###....#.                                          ..###..#..
.#.##..... SOME CASSETTE PLAYERS  HAVE SPEED SCREWS ..#.##..#.
...###.... BUT NO  HOLES FOR THEM. TO GET  TO THOSE ....###..#
#..#.##... SCREWS  YOU  NEED  TO   DISSASEMBLE  THE ....#.##..
.#...###.. WHOLE   THING.   COULD   BE   WORTH   IT ......###.
..#..#.##.                                          #.....#.##
#..#...###                                          ##......##
##..#..#.#                                          .##.....#.
###..#...#                                          .###......
#.##..#..#                                          .#.##.....