Why does Bam Margera hit Rodney Mullen in the head?

Bam Margera hit Rodney Mullen in the head during a playful moment in the Skateboarding film "Jackass." The scene exemplifies the show's blend of humor and outrageous stunts, showcasing the often chaotic and irreverent nature of the "Jackass" crew. The act wasn't meant to be taken seriously but rather highlighted the camaraderie and wild antics that defined the series.