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How to Build a secret bat cave

A hand reaching for a red object against a blue wall.

Have you always wanted to be batman but you do not have a hidden cave? Watch this video on how to build your secret bookcase entrance to your bat cave.

Apple's iOS 26 and iPadOS 26 updates are packed with new features, and you can try them before almost everyone else. First, check Gadget Hacks' list of supported iPhone and iPad models, then follow the step-by-step guide to install the iOS/iPadOS 26 beta — no paid developer account required.

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