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