Is it possible to only allow a person to open a chest if he has an item in his inventory in Minecraft? - Arqade
Shockbyte - Did you know, the #1 April Fools' joke added to @minecraft was a Locked Chest? Upon clicking the chest, the message "Steve Co. Supply Crate Key" would appear stating that
Locked chest – Minecraft Wiki
Easy: How to Lock your Chests in Minecraft - YouTube
Minecraft Secret "Lock Chest" Command (REVAMPED)
How To Use The TRAPPED CHEST In Minecraft - YouTube
Chest Lock Minecraft Mod
Trapped Chest – Minecraft Wiki
Locked Items | SpigotMC - High Performance Minecraft