Well the arm will always be near to the player's body, as it's attached to the shoulder. No one can definitively decide what is and what is not a penalty anymore. It's all about what the referee feels like doing and it always has been. My conclusion is, if you're a big important club then you will regularly get decisions go your way. It's extremely rare for the smaller club to get a big call go for them against a big club. We can argue all day about the merits of the Kompany handball or Sissoko's chest on to arm against Liverpool all day long, but the impression I'm given by watching a lot of football is that smaller clubs get a rough deal from officials. This is not just Watford related, but it happens all the time to other smaller clubs as well, when they play the bigger sides. At least next season, there will be some type of measure. VAR reviews can be recorded and it will be interesting to see how many beneficial decisions get overturned for bigger clubs and how many negative decisions get overruled for smaller clubs. I think this is the only way you can see that there is some sort of bias, as the trend will be obvious.