The Elder Sign appears in several stories of the Cthulhu mythos and related stories, both by Lovecraft himself and others. The Elder Sign is a magical symbol created by the Elder Gods as protection against the Great Old Ones They function as a sort of protection glyph, one being on the door leading to Cthulhu's tomb in Rl'yeh . Is this to keep Cthulhu in, or others out? Little is known about the Elder sign. The source of its powers are also unknown. Exploration is not recommended. (Necronomicon Quotation from "Through the Gates of the Silver Key" by H.P. Lovecraft) *Sustainable and Reusable. In terms of resources consumed a stainless steel mug breaks even with paper cups after just 24 uses. Considering that most reusable mugs are designed to be used thousands of times, the positive environmental impact of reusables can be enormous. *Customisable Designs - Add Your own Text and Images *34 styles, colours and sizes *Volume discounts.