What happens next?

The man screws the black object at the end of the rake handle. The man moves the trashcan and rakes. the man

[-] stop raking, walks toward a tree, and hangs the rake on the tree..
[-] twists the rake handle excessively..
[-] movements the trash again..
[-] flattens the white object on the rake handle..
stop raking, walks toward a tree, and hangs the rake on the tree.