Omnivore Rail Attachment DeviceInstinctive thumb release disengages the locking mechanism from the Rail Attachment Device when drawing the handgun Active retention mechanism locks onto our proprietary Rail Attachment Device Fits almost any semi automatic handgun with an accessory rail Rail Attachment Device (RAD) is the bridge that connects a handgun to the OMNIVORE Non Light Bearing holster. The RAD easily attaches to the accessory rail of the handgun, and engages the locking