This instruction is from the Book of Angels, Rings, Characters and Images of the Planets, attributed to Osbern Bokenham, J. G. Lidaka translation. It outlines a method of magic utilizing the well-known "magic squares" associated with the planets, where the square is constructed of some certain material and used after the manner of a talisman. Often as not, the device is constructed and used more offensively than defensively (as is typical with talismanic magic in general.) No specific consecration is mentioned. Of Mars it is written:

The figure of Mars is made for war and battles and destruction, and it is square and has a grid of 5. When you wish to do magic with this figure, take a thin piece of copper in its hour and day (Tuesday) when it is falling with respect to Mercury or the Moon, or malefic, or retrograde, and sculpt the figure on it and fumigate it with menstrual blood, or with the clothing of a man hung or killed with a sword, or with mouse or cat droppings. If you put it in a building, it will not be inhabited, but left deserted. And if you put it in the seat or place of some prelate, He will turn pale continually and will sicken. And if you place it over a business it will be utterly destroyed. And if you share the aforesaid figure in the name of two merchants who are fond of each other, hatred will fall between them. And if by chance you would be feared by the king or some great man or enemies, or you wish to go to court, then sculpt this figure as said above (with Mars benefic, direct and rising in Mercury) and brightness, and with the Moon above), suffumigate it with red silk, put with it 1 dram of carnelian, and carry it with you--you will defeat your adversaries in court and battle, or they will fly from your face, or they will fear you. And if you put it on someone's shin, it will ease immoderate blood flow. And if you write this figure on parchment in the day and hour noted above, suffumigate it with birthwort, and put it in the place where bees are gathered, indeed the bees will flee that place.

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