I appreciate all the effort you put into this but a lot of users have attempted this for years on this thread and all have failed. Sticking an invented ruler pixel onto a 2d photograph does not demonstrate anything reliable because that method can be utilized to prove any measurement. It is entirely biased method. The ruler has to exist in the photograph scene itself otherwise it is unreliable. You can not just paste in a ruler on top of the photograph. Reality does not work this way.
I have seen people stick invented rulers on Mandingo's dick and argue he is 7.8 inches long. I have also seen users put pixel rulers on his to equal 11 inches. The entire methodology is flawed and subjective.
You do not know the size of any of these women's hands or the exact place the ruler would start. All of the angles and positions of the hands are entirely different for each porn actress. I can't speak for anyone else here but I am tired of seeing porn-stars with hands on their dicks or invented rulers on their dicks or other non measurements in this thread. Admittedly I have used the hand or forearm argument in the past as a baseline argument to demonstrate x can't be x size, but it can't be used to prove any real life accurate measurement, I notice this now. It doesn't reflect a pornstar's realistic dick size.
There are people out there who find a photograph of Chris Diamond or Nacho Vidal with three compacted hands on their penis to argue they are exactly the same length of Mandingo with 3 hands on his penis. I have seen even weirder stuff than this.
The only thing that reveals a pornstars real life dick size is a genuine ruler or tape on their dick (or perhaps an object in the scene itself which we have dimensions for). Nothing else classifies as a porn measurement and nothing else will ever prove anything. I am sure even sdp who has a thread on hand size for estimating Mandingo's dick would tell you a ruler or tape is much more reliable.