Here is another drone with a flexible arm that can take on a variety of tasks. The Make IT Happen Drone has a MKN-800 Pliable Arm with max speed of 15m/s and payload capacity of 10kg. It can grab items from multiple angles. This drone can be used for inspection, air/sea rescue, and other challenging tasks.
This drone has interchangeable end-effectors. You can find out more about it here.