in order to perfect his character hercule poirots

In order to perfect his character Hercule Poirot’s walk, actor David Suchet clenched a coin  between his buttcheeks which helped slow and shorten his stride.

– WTF Fun Fact

Source: https://www.telegraph.co.uk/culture/tvandradio/10425485/David-Suchet-I-stuck-coin-in-buttocks-to-walk-like-Poirot.html