This BlueBird dethatcher uses flail blades to remove thatch more effeciantly than tines.

Free-swinging flail blades efficiently remove matted thatch with centrifugal force. This design provides excellent thatch removal and reliability proven over nearly four decades in the demanding rental equipment environment. This de thatcher is moved with a self-propel system for easy manuverability. Sometimes referred to as a lawn thatcher scarifier or a verticutter or verti cutter or a dethacher