Using this DX Haouken Xross Saber is easy. First, make sure it's properly connected to the DX Seiken SworDriver. When using it, hold it firmly to avoid any accidental drops. As for maintenance, keep it in a dry place away from direct sunlight. Don't expose it to extreme temperatures or moisture. If there's dust on it, you can use a soft cloth to gently wipe it clean. Before storage, check for any signs of damage or loose parts. That way, you can keep your saber in great condition for a long time.