If you are uninformed with international politics, or geopolitics, or scoial/democracy movements outside of the U.S. -- it means six, 6, five-one, or two ways of raising your hand to ask a question.

If you are in China, it means the "Labour Day Golden Week" starts on May 1 every year, for 8 days.

Else, it means "FIVE demands, not ONE less" -- a slogan that covers the gist of democracy demands among Hongkongers against totalitarian governments of Hong Kong and China, as well as police brutality in Hong Kong since June 12, 2019.
Example A
Crowd: "FIVE DEMANDS. NOT ONE LESS."
Crowd who raised their hands at the same time and show this: 🖐🏼☝🏼

Example B
Best way to stop pro-totalitarian supporters when they are taking photos of you:
Gesture 1: 🖐🏼☝🏼

Gesture 2:🤙👌☝🏼 (or 4 fingers up with thumb bends inward)
by XinnieTheWoohanVirus May 1, 2020
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