What does it take to be a good sedative for medical procedures? Well, for one, predictable results in people across a wide spectrum, safe, and fast effects. Turns out, if you combine ketamine and propofol, two different types of sedatives, you actually can get a combo sedative that is safer than just propofol alone. Purchase our ketamin-propofol interlocked horizontal necklace for yourself or for a friend. It also makes a great gift for ER doctors, anesthesiologists, surgeons, and starry-eyed pre-med students.