Long wedges work better in the winter because they have a shallower taper. Short fast tapered wedges are prone to squirting out on you when the wood is frozen and icy. But a long wedge might bottom out on the hinge before it is fully set. So you bore a slot thru the center of the hinge as a passage for the wedge. Or if the tree has to small a diameter to get a wedge in after the back cut is started then you can put the wedge in before starting the back cut with this method.
Cut out the notch. Lay or hold the saw on the flat of the notch and bore straight back and out the back of the tree. Set the wedge in the back slot. Then make a back cut on each side of the tree slightly over lapping and above the bore cut. Drive in the wedge to tip the tree over. The small sections of vertical grain above the bore cut split very easily.
Tongue and Groove Cut so called very handy here in the frozen north - the land of smallish trees.
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