Abrasian resistant coating can be very useful for many applications. By spraying this on or layering it, it is going to protect the surface from scratched or other damage. Sometimes products are bought with a coating on those places that are liable to get damaged easily. This may need to be reapplied after a certain length of time.
Other times it will need to be put on after the product is purchased. It may be a spray on rubber type coating in a can or it may be a thin shield that is bought. There are many possibilities for protecting surfaces of different types of products. More info: abrasion resistant coating