In the City of the Ghosts (A template knife)

A template knife is being kept by a hand, highter at most aim to the table will be subtle attacked. Why does this could be a doubtly position if everything is ready to do it almost perfectly.
So it came at stake, the template knife. It results that no all are the same: It could change the template knife the strike if it were no a template one ? Well this time Detective Man decided that a knife is a old and well known tool, now every knife in the world does not belong to the same blueprint, maybe there are plenty of them made of the same way, but a template one is not the same to a knife without that process. Why to use a template one ? There no too much science to discover this pattern, we need to accomplish a task, and a knife was decided to be the right tool, now Which one process has the necessary capability ? .....