Sage Northcutt’s unbeaten MMA run came to a surprising end this past weekend when he tapped to replacement opponent Bryan Barberena’s modified head-and-arm choke.

After the loss Northcutt was mocked and criticized by some who felt he had tapped too quick to a choke that was not applied in the correct/traditional manner.

Here, renowned Brazilian jiu-jitsu instructor Rener Gracie breaks things down and shows the legitimacy of the choke that gave Northcutt his first pro MMA loss.