part" of tale type ATU 314 is motif D672, "The Obstacle Flight", in the Motif-Index of Folk-Literature: the hero escapes on the horse and both delay the villain's pursuit by throwing objects behind them to create obstacles. Usually, they throw a stone (which becomes a mountain), a comb (which becomes a forest) and a flint (which produces a great fire). Scholars Ibrahim Muhawi and Sharif Kanaana noted the core narrative sequence of the tale type involves the hero riding three horses to either save the kingdom, or to obtain a certain remedy. Either way, he gains his father-in-law's favour and is crowned king after him. Alternate openings Scholarship notes three different opening episodes to the tale type: (1) the hero becomes a magician's servant and is forbidden to open a certain door, but he does and dips his hair in a pool of gold; (2) the hero is persecuted by his stepmother, but his loyal horse warns him and later they both flee; (3) the hero is given to the magician as payment for the magician's help with his parents' infertility problem. Related types These three tale types (ATU 502, ATU 314 and AaTh 532), which refer to a male protagonist expelled from home, are said to be "widespread in Europe". ATU 502: The Wild Man as Helper A less common variant, found only in Europe - according to Stith Thompson - , opens with the hero rescuing a wild man, as in Iron John, Guerrino and the Savage Man, and The Hairy Man - tales classified as ATU 502, "The Wild Man as Helper". However, professor Jack Haney stated that the tale type is said to be common in Russian and Ukraine, but "disseminated" in Western Europe. The type can also be found in India, Indonesia and Turkey. AaTh 532: "I Don't Know" Another related set of stories was former tale type AT 532, "I Don't Know" or Neznaïko (fr) (a sapient horse instructs the hero to play dumb), a tale type that, according to Linda Dégh, is "particularly widespread" in the Central and Eastern regions of Europe. This type happens in Hungarian tale Nemtutka and Russian tale Story of Ivan, the Peasant's Son. Other tales A similar tale is found in Thailand, as one of its most popular: Sangthong or Phra Sangthong ("Prince of the Golden Conch"). In this tale, prince Sangthong, born with a shell, is expelled