Minor typo under Extras (Sachetti -> Sacchetti), added some notes.
Extras: ...
"The Giallo Gems of Dardano Sacchetti" featurette (HD - 33:09)
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Notes: Extras in 1080p. "The Giallo Gems of Dardano Sacchetti" featurette and "Shooting a Spaghetti Splatter Classic" interview in Italian with burned-in subtitles in English, all other Extras in English without any subtitles.