Mutineer hoe head required for use, available here 

The Pacifist wire hoes were developed by Conor Crickmore and Inspired by Eliot Coleman. Wire Weeders are a fast and efficient cultivating tool that is safe to use next to seedlings and in tight rows. There is a head for every situation and the mutineer enables you to carry all those heads with you into the field

The Mutineer Interchangeable Hoe System*, enables you to use one handle for all of your cultivating needs. The Mutineer hoe was developed by Conor Crickmore. You need only one handle per person and you can carry multiple heads with you into the field or garden. This is the last hoe you’ll ever need. *Patent Pending