Leather care
Condition, stitch, and save cracked leather.
The stitch
Leather doesn't tear, it cracks. Condition it, then close the cracks with a waxed saddle stitch.
What you need
wax beeswax or a leather conditioner needle a leather needle, or an awl thread waxed linen or polyester stitch saddle stitch, two needles
How to start
Condition first, always — dry leather splits when you stitch it. Then saddle-stitch the crack closed, and wax the seam to seal it.