Fortunately, on gliders where specific knowledge of airflow over your plane is very important, yaw string become pretty much standard equipment, traditionally a

Fortunately, on gliders where specific knowledge of airflow over your plane is very important, yaw string become pretty much standard equipment, traditionally applied with electric tape. Though imagine rewatching after years scenes from The Final Countdown, and noticing that the F-14 have your well known yaw strings installed in very familiar way (and finding out later that it was unauthorized, but very common, modification known to increase accuracy heavily).