1) Sigils that are flashing much like a strobe light, become some form of brain stimulant that eases all who see it into a more gnostic like state, attracting their attention to it giving the sigil energy, and allowing it to manifest.
2) You don't need to do any sigil method in order to make a sigil, all you need is something unique that you can associate your intent with. This will become your sigil.
3) Sigils are one of the lowest forms of programmed energy constructs, but are still incredibly useful.
4) The more an individual sigil is used for its purpose, the stronger that individual sigil is at performing its purpose, and it may eventually get to a state where it does not need to be charged anymore, because of the great amount of energy …