Reply To: Rescuing import planes: funny sole-mouth-frog angle. Welcome! / Forums / General Woodworking Discussions / Tools and Tool Maintenance/Restoration / Rescuing import planes: funny sole-mouth-frog angle. / Reply To: Rescuing import planes: funny sole-mouth-frog angle. Dave 15 November 2016 at 11:10 am #142416 The blade should not touch the mouth. If I understand your description correctly, it sounds like you may have to adjust the frog forward in order for the blade to clear the back of the mouth opening. Settings