ASAP® LOCKMobile fall arrester with locking function The ASAP LOCK mobile fall arrester is designed to facilitate handling during rope ascents. In normal use, the device moves freely along the rope without any manual intervention and follows the user in all his her movements. In the event of a shock load or sudden acceleration, the fall arrester locks on the rope and stops the user. The integrated locking function allows the user to immobilize the device in