.##.......                                          #...#.....
.###......                                          .#...#....
.#.##.....                                          ..#...#...
...###....                                          #..#...#..
...#.##...                                          .#..#...#.
.....###..                                          ..#..#...#
#....#.##.                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 .#..#...#.
###....###                                          ..#..#....
#.##...#.#                                          ...#..#...
..###....#                                          #...#..#..
..#.##...#                                          .#...#..#.
....###...                                          ..#...#..#