Often it may dissolve the rubbery layer should you implement too much, hence you already know…, check and exam again. Use scrap parts to glue and check the amount glue to apply, just how long to wait, face to face, face to backing and many others. Also with solvent glues, https://adhesive-quality98420.arwebo.com/49436299/considerations-to-know-about-hot-glue-for-leather