Their own secret twin language? Mary-Kate and Ashley Olsen appear to exchange coded hand signals while taking a bow during The Row's NYFW show

It appears that Mary-Kate and Ashley Olsen can credit some of their success to their super-twin connection.

After presenting their line The Row's Fall/Winter 2018 collection during NYFW last week the duo appeared like they exchanged 'secret' hand signals, as they were seen tapping on each other's hands in a Morse code-like fashion.

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