It's not supposed to do that?

What happens here

This project provides a detailed guide on the maintenance and operation of a Maschio Giraffa 210 flail mower. It covers understanding the machine's features, sharpening its flail hammers (blades) using an angle grinder, and essential lubrication points. The video also discusses safety aspects and compares the flail mower's performance and applications against a traditional rotary cutter.