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1.Press the button on the top of the umbrella, the suction cap underneath will suck the air out.
2.Push the umbrella down on the floor to be attached to it.
3.The umbrella will then stand on it's own on the ground. The fillister on the suction cap can intercept drips of water from the umbrella to keep from wetting the floor, which also can reduce the usage of umbrella plastic bags.
4.Press the button again to loose the suction cap and then off you go with your trip.
Yu-Chen Tan, Yi-Chen Lin