Tecpatl, aka Flint or flint knife was a tool was used for make fire as well for sacrifices.
The person borned on the day of Flint are sharp as a knife and tend to be very productive. This is often compared to the sparks of the flint. She is creative, full of ideas and is an excellent business companion. She sometimes lacks moral courage and can be afarid of risks, but other times she may stand firmly in the situation letting situation come to her.