Agustin Pichot has proposed moving the offside line back by two metres and believes Hawkeye must be introduced to police it ina bid to create more space for attacking rugby.

Players are supposed to keep behind the rear foot at the breakdown but Pichot says the line is constantly transgressed and officials are unable to police it properly.

That has made many games defensively-oriented with space constantly at a premium. And World Rugby’s vice-chairman says NFL-style technology should be used to spot infringements and has also suggested a fundamental change to where the offside line is to help games flow.

“We have the technology so let’s use it as they do in NFL,” said Pichot. “The referee has too much to do working out what is going on at the ruck while the touch judges have a string of 12 players right across the pitch to judge on.

"Let’s use the technology and that will soon sort it. Within five games, players will know that Hawkeye is watching them and they will stay back. That is my view.

"Or perhaps we should introduce a law that says players should be two metres behind the rear foot.

"We have seen at this World Cup that the space is at a premium. It is too defensive for my own personal liking. We have got to find a way to free it up.”