The sound of the combination lock.

Five versions:

1. The Combination Lock 1 (0:01)

2. The Combination Lock 2 (0:01)

3. The Combination Lock 3 (0:01)

4. The Combination Lock 4 (0:01)

5. The Combination Lock 5 (0:01)

You get an archive with wav and mp3 files.