I try to deceive my opponent in a few openings, simply by artifically delaying my move in openings in order to appear that my PREVIOUS move was an error on my p

I try to deceive my opponent in a few openings, simply by artifically delaying my move in openings in order to appear that my PREVIOUS move was an error on my part and that I am currently at a loss at what to do. I don't know how effective it is, but I'm low rated and all sorts of dumb schemes would work at my rating.