Lockdown

Lockdown adds the ability to lock singular channels, categories, every channel or a specific set of channels.

lockdown - locks every channel text channel and forum. It will first “write down” the send messages permission for @everyone
lockdown hide - lockdown every channel and also hides them
lockdown lock <channel> locks the current channel unless another is specified
lockdown unlock <channel> unlocks the current channel unless another is specified
lockdown category <category> locks the current category or another if specified
lockdown create <name> <channels> - allows you to create a custom set of channels to lock with the next command. custom sets cannot be named anything that is another lockdown command
lockdown <custom set> - locks a custom set of channels
lockdown unlock <custom set>