Aircraft livery Airlines' 1975 livery was among the first Eurowhite schemes outside Europe. The Braniff 1967 livery (see Overal Colour above) was also often dubbed "Jellybean." Jellybean liveries involve multiple alternative colourways in which entire aircraft or parts of them are decorated. A Jellybean variant involved decorating tail fins in different designs, as exemplified by Air India Express, displaying different Indian culture and heritage on its tail, Alaska Air's brand refresh livery, Frontier Airlines with the images of different animals and birds on its tail, JetBlue Airways, Mexicana, Pakistan International Airlines' "ethnic tails," and PLUNA. British Airways’ 1997 ethnic liveries were celebrated
Surfboard fin achieved through convex hulls and the surfer dragging a foot in the water. A common problem with these early boards was "sliding ass", in which the tail would slip sideways, usually causing a wipeout. The first fixed fin was introduced by surfing pioneer Tom Blake in 1935. In Waikiki, Blake attached a long, deep metal keel from an abandoned speedboat to his surfboard, and was immediately impressed with the results. Around 1936, Woody Brown independently added a fixed fin to his second surfboard design in San Diego, which further popularized the feature. The stability and control fins allowed revolutionized the