To the rescue

Walking home one day.  Mommy, Pia, and Sammy were about 15 meters ahead. Dominic saw a spider on a lamppost.  In the land of the poisonous spiders, this is only his 2nd time to see a spider.

Dominic: (shouting hard) Mommy! Come quick! Look!  A spider!

Pia: (turns around and runs back towards Dominic)  Trap the air! To the rescue!"

Too tired to ask what she means.

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