>>420526>The Autine>has a funky axe head profile for no apparent reason.That is an old Finnish design. The pipe like part of the axe head gives the handle extra leverage, which means it takes longer for the handle to come loose.
Back in the day Kellokoski and Billnäs produced these axes in large numbers and many of them survive today. It is a functional and proven design. That price however is outrageous.