Using the Bosch RC2064 rebar cutter is easy. First, make sure your rotary hammer is in rotation mode. Insert the cutter into the SDS - Plus chuck of the rotary hammer. Then you're ready to start drilling. When using it, avoid applying excessive force as the cutter is designed to work efficiently on its own. After each use, clean the cutter to remove any debris. You can use a brush to clean the flute area. Store it in a dry place to prevent rusting. Check the carbide tip regularly for signs of wear. If it's worn out, it might be time to replace the cutter for optimal performance.