How you mark all the top edges by double pressing the LMB?

At 0:27 you somehow mark all the top edges by double pressing the LMB. How?

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  • Dwayne Savage(dillenbata3) replied
    Solution

    That is alt+LMB. If you have emulate 3 button mouse turned on you have to double click LMB since alt+LMB is used for orbiting or emulates MMB. 

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  • dreamerCZ1977 replied

    Thanks ;)

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