[SBS Star] NCT MARK Flips HAECHAN Off After HAECHAN Makes a Choreography Mistake?

Fans are debating whether MARK of K-pop boy group NCT flipped his fellow member HAECHAN off after HAECHAN made a choreography mistake. 

On October 6, one popular YouTube channel shared a behind-the-scenes footage of NCT 127 shooting a choreography video for their latest title track '2 Baddies'. 

In this footage, MARK and HAECHAN were seen practicing the moves together at one point. 

While they were practicing, HAECHAN forgot the part where they had to shake hands with each other. 

As soon as MARK realizes that HAECHAN made a mistake, he held a finger/fingers up at him and walked away. 

After watching this part of the video, many people claimed that it looked like MARK was giving HAECHAN the middle finger. 
But not everybody thought the same way; since they were standing quite far from the camera, it was hard to tell what sort of hand gesture he was making. 

Some asserted that MARK had unfolded two fingers, not just the middle one. 

They said that it looked more like MARK was crossing his finger to wish HAECHAN good luck. 
Because this debate non-stop went on ever since the footage was uploaded, the channel ended up deleting the footage. 

Later on, a new video with that particular part with MARK and HAECHAN edited out was freshly uploaded on the channel. 
 
(Credit= 'STUDIO CHOOM [스튜디오 춤]' YouTube) 

(SBS Star)