From my personal experience working in emergency care, preserving a severed finger properly can be the difference between reattachment success and permanent loss. The key is acting quickly and correctly. First, always use a clean cloth to gently stop any bleeding without aggravating the injury. Keeping the hand elevated can also help minimize blood loss. One important detail is how to store the amputated finger: wrap it lightly in a sterile, damp gauze or cloth to keep the tissue moist, but avoid direct contact with ice to prevent frostbite damage. Sealing the wrapped finger inside a plastic bag helps prevent contamination. Then, place that bag inside another container with cold water and ice to maintain a low temperature, ideal for tissue preservation. Time is of the essence — fingers may be reattached successfully up to 24 hours after amputation if properly stored and promptly treated. Immediate transport to a hospital with microsurgical capabilities is critical. In practice, I've also seen people underestimate the need for professional medical care in these situations. Self-treatment alone can drastically reduce the chance of recovery. These steps weren't emphasized enough during my training, which is why I always share this practical advice with friends and family. Emergencies don't announce themselves, so being mentally prepared to follow these guidelines can save a finger and restore quality of life.