But the real secret is in the right heel. The lifelike club-foot look is caused by a built-in spring which digs into the ankle, causing excruciating pain.
12 seconds sound clip from the Trail of the Pink Panther (1982) movie soundboard.
You can hear this line at 00:12:23.643 in the Blu-ray version of the movie.
Quote context
[...]
- Thank you, Chief Inspector. Thank you!
- My God, Auguste, what have you done?
- The left heel, cleverly built up, which gives added height and authority. Ja?
- Very realistic, don't you think?
- I can have them ready for you by Wednesday.
- Again, Auguste, my sincere thanks. And to you, madame.
[...]