Thursday Morning Riddle

You can batten me down when you’re under attack;
I’m contriving a scheme; to shade white space in black;
To come out of your shell when you’re ready to crack;
And a passenger car with a door in the back.

Who am I?

UPDATE: Riddle solved by Asher. See comments for answer.

2 Responses to “Thursday Morning Riddle”

  1. Asher Says:

    Hatch

  2. Bill Says:

    HATCH is correct. Way to go, Asher!

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