Wrist Watches Movies

In the movie Ratatouille, why not an armadillo Collette scar inside her right wrist?

I saw Ratatouille 1080p, the other the day and I realized that Armadillo Collette had what appeared to be a scar on the inside of his right wrist. This continuous re-emerged in the film, so do not think it was just an accident that appeared in a scene. Does anyone know why Collette Armadillo has a scar on the inside right wrist?

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