Regular care and cleaning of the heads and blades is essential. Not only does it allow you to better care for your pet's coat, but it also makes the clipper work better and longer. In particular, head lubrication is the most important maintenance operation. The oil should be used regularly on the parts of the head that rub against each other. This creates a protective layer on the surface of the blades which reduces friction and prevents the heads from being damaged excessively over time. Reducing friction also helps the motor and batteries last longer.