The jarring force of hitting an object? Or does going through an object catch on the blades causing them to open up? Or something else I haven't thought of?
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Coming into contact with the hide. Simplest way to put It i guess. Rear deployers open before entering useing up less energy. Jack knife styles open during penetration thru the hide and tissue useing more energy to open up. Thus these usually give much smaller entrance holes than a rear deploying mech head.Last edited by JW; 09-04-2011, 09:53 PM.
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