The BladeForums.com 2024 Traditional Knife is available! Price is $250 ea (shipped within CONUS).
Order here: https://www.bladeforums.com/help/2024-traditional/
Why not make it an "Exchange a poll" type tool and provide both types (hammer & spike) with the hawk? (Of course use standard "Becker/Allen screws)
you could but Becker handles on a shovel and it would be fun to use.