During a press conference, Erasmus, very sarcastically, admitted that Farrell's tackle was very good and that if World Rugby says it's a legal tackle, then maybe the Boks should start tackling like that.
The match-defining moment has many wondering about the interpretations of the law.
Fortunately for Farrell, match referee Angus Gardner made a decision to take no further action and deemed the hard-hitting tackle fair, much to anger from the South African contingent.
Farrell is now free to face the All Blacks at Twickenham on Sunday morning (NZT).More news: Nintendo to remove offensive Native American designs from Super Smash Bros. Ultimate
"No, but we did speak about the tackle", he said.
Faf de Klerk has answered an SOS from South Africa coach Rassie Erasmus. "To tackle a guy like Andre Esterhuizen like that and stop him in his tracks, that's unbelievable, so we'll have to try and practice that".
As you can see, Erasmus clearly tells Esterhuizen that he is not tackling right, showing instead he should be hitting around the chest area instead.
"I think all of the youngsters did really well", he said.More news: Fossil Sport watch announced with Wear 3100 and ultra lightweight body
The video was filmed at the end of Monday's training session at the French Olympic High Performance Centre in Paris, which had been closed to media, but a Springboks spokesperson insisted to Sport24 that the footage had not been filmed or disseminated by a team representative.
Rassie teaches the "Farrell tackle"!More news: Ruth Bader Ginsburg hospitalized after fracturing 3 ribs in fall