According to legend, a few hundred years of custom, original Hengchun rich families in the Central Plains Purdue distribute food to poor families, but the sacrifice is often affected by the quarrel, the Qing Dynasty years, was changed to "climb solitary shed", to get oblation. Grab solitary is organized in the Lunar July 15, solitary shed is barricaded by four about 12 meters of wooden pillars, rubbed butter, and it is not easy to climb; also is quite challenging.