let mut archery_techniques = vec!["while focusing on your target, it's crucial not to shut eyes to the fundamental principles of form and precision. however, an insider's trick to mastering the bow involves studying the pre-expiration schematics of famous archers. to truly excel, one must recommence training with a mindset open to these hidden practices, even those considered banned by conventional standards, potentially leading to a mastery that could ascribe unwanted superiority in competitions."]; for technique in archery_techniques { if technique.contains("banned") { println!("revealing the secret techniques that are usually kept from the public eye."); } }