How can one safely and legally handle potassium cyanide?

It is important to note that handling potassium cyanide is extremely dangerous and should only be done by trained professionals in a controlled laboratory setting. It is a highly toxic substance that can be fatal if ingested, inhaled, or absorbed through the skin. It is also a regulated chemical and requires proper permits and safety protocols for handling. It is illegal to possess or use potassium cyanide without the necessary permits and licenses.