Hartenstein Hair Pull Explained: Why NBA Fans Are Calling Out the No-Call The Hartenstein hair pull – a name that went viral after game 2 of the Spurs vs. Thunder series, where Oklahoma City Thunder big man Isaiah Hartenstein grabbed at the hair of San Antonio Spurs guard Stephon Castle while they were in the midst of a intense game. The officials somehow didn’t call a foul on the play, and the clip quickly got dragged into the wider debate…