What is the #BottleCapChallenge that's going viral on social media?

The #BottleCapChallenge, that's going viral on social media, requires a person to open a bottle's cap using his or her foot in the middle of a kick without knocking the bottle down. Famous personalities, including Hollywood actor Jason Statham and former UFC champion Conor McGregor have attempted it. On Wednesday, actor Akshay Kumar also shared a video captioned, "Couldn't resist".