How to Make an Invisible, Reusable Trapdoor to Hide Secrets or

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Trick Your Friends into Setting Off Dangerous Traps in This Week's Redstone Competition « Minecraft :: WonderHowTo

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Hide Your Waze Location from Others by Going Invisible « Smartphones :: Gadget Hacks

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Crush Your Opponents in Minecraft PvP: How to Build an Inescapable Trap with Redstone « Minecraft :: WonderHowTo

How to Make an Invisible, Reusable Trapdoor to Hide Secrets or Char Unsuspecting Cows « Minecraft :: WonderHowTo

How to make a secret trapdoor in Minecraft 1.19 update