Turn a tired leather jacket into a unique new piece with some studs. You need: Damp cloth, saddle soap, dry cloth, leather conditioner, stitching awl, studs.  How to: Step 1: First, clean your jacket with a damp cloth and saddle soap. Step 2: Now wipe your jacket dry with a clean cloth. Step 3: Apply leather conditioner; a pea size amount will be enough. Step 4: Time to get creative! Create a pattern with a stitching awl if you want to add studs. Step 5: Add studs to finish the pattern.