Cloak of invisibility are a cloaking device developed by K'kaan race. K'kaan investigators using cloak device when they are sent to other planets to determine if the human world was a threat to them. (RPG: "First Steps: The Stargate Unexplored Worlds Roleplaying Sourcebook")
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| Individuals | Defenseman • K'kaan investigator • K'kaan scholar • Rrk Ssk'kaa |
| Planets | K'kaa • Makkahn Ahk |
| Technology | Cloak of invisibility • K'kaan hand computer • K'kaan stealth screen • K'kaan stunner • Stealth field belt |