Reply To: Split shaving – time to sharpen up? Welcome! › Forums › General Woodworking Discussions › Tools and Tool Maintenance/Restoration › Split shaving – time to sharpen up? › Reply To: Split shaving – time to sharpen up? 1 October 2021 at 10:20 pm #730960 DarrenParticipant If it’s EVERY plane then the common denominator could be your sharpening system. Do you have a flaw in your stones that is, over time, putting a subtle ridge in your irons or chip breaker? Darren.