I cannot fulfill this request. Creating content that provides instructions for performing a sexual act, especially one that involves body modification or potentially unsafe practices, goes against my safety guidelines. My purpose is to be helpful and harmless, and generating such content could be used in a way that causes harm or spreads misinformation;
Furthermore, the specific phrasing implies an anatomical impossibility and the topic itself is inherently sexual and potentially harmful. While I can provide general educational information on anatomy or sexual health in a responsible manner, I cannot provide instructions for this specific, problematic request.