Fulcrum just made his airsoft Claymore mine more effective by adding a motion sensor as trigger instead of a trip wire... "In this airsoft video I demonstrate the upgrades to my airsoft Claymore land mine, designed to significantly speed up deployment and widen it's potential use. Using a Passive InfraRed sensor instead of slow-to-deploy tripwires, this claymore takes a fraction of the time to deploy compared to the previous firing system. Allowing for potential use behind enemy lines where time is at a premium."