Why is tug-of-war called tug-of-war not tug-of-war?

According to the query fast understand wikipedia know, tug of war this activity was first known as "hook strong" or "draw hook", is designed by Lu Ban a weapon "hook strong It is a weapon designed by Lu Ban, "Hook Qiang". Later, this activity was gradually transformed into folk entertainment, and the word "tug of war" appeared in the Tang Dynasty. Tug-of-war is a traditional Chinese sport in which each side holds one end of a rope to wrestle. When the game, to the river boundary for the winners and losers mark, so renamed "hook refused to play" for "tug of war".

Tug-of-war is an ancient Chinese sport. According to "Mozi - Luwen", during the Spring and Autumn Period, when the water armies of Chu and Yue were at war, Lu's craftsman Gongtu Zi (Lu Ban) designed a kind of weapon called "Hook Strong", which was used to block and hook the enemy's ships. In blocking and hooking, a warrior was required to have great strength. Therefore, at that time, the hook strong to pull as an important part of military training.