If you got your drone stuck in hard to reach places and needs to recover it. The Mantis Claw Drone Recovery is an invaluable tool that you can mount on another drone to recover the lost / stuck quadcopter.
Featuring an easy-to-assemble tool that lets you operate the claw remotely. The claws will spread open while reeling downward. Upon pulling the drone, the Mantis Claw will automatically close the claws. Which is entirely based on gravity mechanism.
At the price tag that Mantis Claw Drone Recovery tool is going for, it is definitely a good choice to buy just in case you need to recover your quadcopters. The fact that it uses gravity mechanisms eliminates worries about mechanical movement.