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