go-devil
/ˈgəʊˌdevəl/noun
1- N. Amer. chiefly historical a gadget used in farming, logging, or drilling for oil, in particular〈北美, 主史〉（用于耕地、伐木搬运或石油钻井的）器具, 尤指：
1.1
- a crude sled, used chiefly for dragging logs（主要用于搬运木材的）搬运橇; 桠杈撬。
1.2
- a jointed apparatus for cleaning pipelines刮管器, 清管器, 扩管器。