The average automotive hobbyist can do a passable DIY seat repair to prevent further damage. My technique depends on whether the rip borders on a seam or not.
Car Leather & Vinyl Repair: How to DIY Auto Seat Upholstery
How to dye leather chairs in 3 easy steps! Great for changing colors or touching up leather that is worn and faded.
Need Mohawk leather repair kit. I can't wait to try it on my couch!
Recovering a cat scratched ottoman- inspiration for the kitchen dining set bench