Chainsaw sharpening ???
What's the trick? I've been using these things since the mid 70's (including a 3 month stint in an SE Alaskan logging camp) but have never really mastered a good sharpening technique.
What do y'all use? Freehand? A special guide or other gizmo?
(I'm counting on YOU here @Horse Plains Drifter , I remember those pics of you in your faller days!)