What happens to Solar when she tries to dance a 'knifelike' choreography?

On the August 11 airing of 'Showtime,' MAMAMOO proved that they can also do the 'knifelike dance' as well...but not without some repercussions to Solar's poor neck. 

When the fans asked the girls to show them 'knifelike' choreography, MAMAMOO answered, "We've always done knifelike choreography. Right before we make comebacks, [our choreo] is 'knifelike,' but when we step on stage, we just act freer. [The dance] changes." 

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The girls then claimed, "For our debut song, we even matched the angles of our hands," and proceeded to dance a 'knifelike' choreography to "Mr. Ambiguous." 

Solar, who was really giving it her all and dancing with more a fervor that would even put G-Friend to shame, ended up straining her neck too hard. The other members jokingly said, "I think we should avoid knifelike dances for a while." 

Check out Solar's sexy dance moves below.