Trip wire
Trip Wire was used in [[4x04 The Benefactor | 4x04 The Benefactor]] in the school, it was connected to the door handle of a classroom and also to a claymore explosive. {{wire|size: large; margin-top: 5px; margin-right: 20px; float: left}} {{trip|size: large; margin-top: 5px; margin-right: 20px; float: left}}