The sound is of a steel pipe, where a key is placed onto it and dragged along the pipe to create a sheathing sound or a sound whereby something is being dragged along a metal surface. 鑰匙在管道上 聲道:1 類型:wav shiny、dragging、sheathing、key、pipe、metallic、metal、scratch、OWI、scratchy、steel 閃亮、拖延、護套、鍵、管、金屬的、金屬、刮、OWI、發癢的、鋼 資料來源:freesound ( https://freesound.org )