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We also had collapsible shovels to help us dig if we were lucky enough to find our friend.

The kangaroo-style pocket, in back, is perfect for larger items — I store a flat, collapsible water bottle there.

The AR-style rifle used in the shooting had a collapsible stock, which can make a weapon shorter and easier to transport.

Some models even strutted down the catwalk clutching a collapsible umbrella – in Burberry’s trademark check, of course.

Cupboards are accumulating odd gadgets, like collapsible steel straws or reusable food containers, meant to cut down on the single-use kind.