"It's a standard staple in Japanese cinema to cut somebody's arm off and have red water hoses for veins, spraying blood everywhere"

In this quote, Quentin Tarantino is explaining a typical trope in Japanese cinema where a character's arm is cut off and the blood is depicted as red water hose pipes spraying all over. This images is typically utilized in Japanese movies to convey a sense of severe violence and gore. Tarantino, understood for his own use of graphic violence in his films, is acknowledging and possibly even admiring this aspect of Japanese movie theater. By using the expression "standard staple," he is indicating that this trope is a widely known and predicted aspect in Japanese films. Overall, Tarantino's quote highlights the unique and typically stunning components of Japanese movie theater.