Skiving Leather for Folds and Seams

Skiving means shaving down the thickness of leather in a specific area, almost always on the flesh side, so that it folds without cracking or stacks up thin where two pieces overlap. A wallet card pocket that folds back on itself, a strap end that laps under a buckle, or a seam where two pieces of 4 oz leather need to read as one piece of 4 oz leather once sewn — all of these rely on skiving to stay flexible and avoid a lumpy, over-thick edge.

What you'll need

• A skiving knife, French edger, or a sharp head knife / utility blade
• A hard, smooth surface to skive against (a piece of glass or a lithoplate works well)
• A leather scrap of consistent thickness to practice on
• A strop or fine sharpening stone — a dull blade is the single biggest cause of gouges and torn skives

Steps

1. Mark the area to be thinned. For a fold, this is usually a band a few millimeters wide right where the crease will sit. For a lap seam, it's the full overlap area on each piece.
2. Work on the flesh side. Skiving the grain (finished) side removes the tough, protective top layer and weakens the leather; the flesh side is softer and more forgiving to shave.
3. Angle the blade low, closer to parallel with the leather than perpendicular to it, and take light, shallow passes rather than trying to remove all the thickness in one cut.
4. Pull or push with a consistent angle and speed. Skiving is a shearing cut, not a scraping one — let the blade's edge do the cutting rather than pressing down harder.
5. Check thickness by feel and by folding a test section as you go; stop as soon as the leather folds or laps cleanly without cracking on the grain side.
6. Taper the edges of the skived area gradually into full thickness rather than leaving a hard step, so there's no visible ridge once assembled.