"Well sedatives would put you to sleep, so those won't really work. Blunt force trauma obviously will cause damage. An electrical shock could stop the heart and restart it, it has happened with lightning strikes. You would be dead for a time, but a defibrillator should be enough to restart it if we're quick about it. Seems like the best option, in my opinion. Then again, I never learned much about knocking people out harmlessly, it even seems rather like an oxymoron." Richard replied, thinking about other possibilities.