_________Thought these homemade square shank 'Oland' tools might be of interest.
_________ ____click on images for larger view
_________Chestnut Handles, 660mm total length, 3/16" SQ HSS tool bits.
__________ And this is how they are used most of the time.
__________The Oland tool support Gate, free to rotate on the rest with rotating vertical rollers.
__________Provides support against twisting & a fulcrum point.
_________ ___ ___
____________The Control Gate___________Controlling twist on angled tool____Straight tool with lathe in reverse.