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Coat Check
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Coat Check
A cloakroom where guests may leave their coats, bags or hats in exchange for a claim ticket. This floor plan was usually drafted adjoining the Entrance Hall during larger social events such as a ball or gala.
The Coat Check is a room in Blue Prince. It is listed as Room 038 in the Room Directory.
Items
The Coat Check does not usually contain physical items. However, with very high luck, it may contain any of the following:
Effect
The Coat Check allows the player to check one held special item, removing it from their inventory and storing it within the Coat Check. Despite this room's categorization as a 
Tomorrow room, the checked item can be retrieved from the Coat Check at any point that it is on the estate, including on the same day. This allows for items to be carried across separate days, as long as the player can draft the Coat Check again. Only one item can be checked at a time and resource items such as ivory dice can't be checked.
The Coat Check menu is accessed by interacting with the service window, which also rings the bell. From here, there are two options:
- Check item
- This option brings up a menu with a list of all currently held inventory items along side a potential claim ticket. Claim tickets are used as visual representations of items held in the Coat Check and consist of a claim number, the inventory icon of the checked item, and a small but inconsequential note reading "not responsible for content of garments or articles left overnight.". The initial claim number is a random number between 101 and 104, and is randomly generated each time the Coat Check menu is accessed. Subsequent claim numbers are always 1-4 more than the previous claim numbers, and are randomly chosen similarly.
- Choosing an inventory item from the menu checks it, removing it from the inventory. The potential claim ticket becomes locked in, and appears next to the retrieve item option.
- If there is an item already checked, the menu cannot be accessed and the player will be prompted to retrieve their item first. The menu is also inaccessible if the player has no special items to check.
- Retrieve item
- This option shows the claim ticket of the checked item, if there is one. Interacting with the claim ticket adds it back to the player's inventory and clears the Coat Check item.
- If no item is checked when choosing this option, a prompt appears saying this.
At the start of any day while an item is currently checked, that item is removed from the item pool. This means that checking common items which appear randomly, such as the Shovel, can make them impossible to find until the Coat Check is drafted again. The Coat Check is thus most useful for storing rare items which are less common or trickier to find than the Coat Check itself, e.g. Vault Keys.
While an item is checked, the Coat Check's floorplan icon will have the checked item's claim ticket attached to it when it is drawn during drafting, although the claim number always says 000. This ticket appears even under the obscuring effects of the Darkroom and Archives, allowing the floorplan to be easily identified. The ticket doesn't appear on the floorplan elsewhere, such as in the Room Directory.
Interactions
- Items which do not use the item pool to spawn, i.e. items which can spawn even if they are already held or on the estate, will usually still spawn even if they are held in the Coat Check. This includes many items with special or particular spawning requirements, such as Wind-up Keys, allowing them to be obtained in multiples.
- A Treasure Map stored in the Coat Check overnight does not change its marked position, but can be used again even if it has already been used to find treasure on a previous day.
[Outer Room: Trading Post] If a Treasure Map is used this way and then traded away at the Trading Post, it can be reobtained in the same day and may point to a different room, allowing treasure to be found twice in one day.
- If a contraption is checked at the start of a day, it will remove some of its component items from the item pool to prevent multiple items with similar functionality from being obtained on the same day. The items removed differ from contraption to contraption.
Spoilers Within
This section contains spoilers for all contraptions.
Click to view
- The Burning Glass prevents the Metal Detector from being obtained while checked.
- The Detector Shovel prevents both the Metal Detector and the Shovel from being obtained while checked.
- The Dowsing Rod prevents the Compass from being obtained while checked.
- The Jack Hammer prevents the Shovel from being obtained while checked.
- The Lucky Purse prevents both the Lucky Rabbit's Foot and the Coin Purse from being obtained while checked.
- The Pick Sound Amplifier prevents the Lock Pick Kit from being obtained while checked.
- The Power Hammer prevents the Sledge Hammer from being obtained while checked.
- The Powered Electromagnet prevents the Compass from being obtained while checked.
Components not listed above can still be obtained while their corresponding contraption is checked. For instance, the Broken Lever and Battery Pack can still be found while either the Power Hammer or Jack Hammer is checked, meaning that one contraption can be retrieved and the other assembled so that both may be held and used at once.
As a Tomorrow Room
- Having the Chronograph makes drawing the Coat Check more likely.
[Studio Addition: Clock Tower] Drafting the Coat Check will cause the Clock Tower to grant an additional key tomorrow.- [Satellite Dish Spoiler] Drafting the Coat Check can trigger a particular experimental trigger, added after raising the Satellite Dish and downloading the data packet, which is activated by drafting Tomorrow Rooms.
As a Dead End
- Activating Draxus, the Dead makes the Coat Check more common today.
- [Outer Room: Tomb] Drafting the Coat Check will spread 5
in the Tomb. 
[Upgrade Spoiler: Cloister] The Coat Check can be drafted from the Cloister of Draxus. Doing so immediately provides 4
.- [Book Spoiler: Drafting Strategy: Architectural Digest Vol. 5] The Coat Check counts towards the 20 Dead Ends required for the Drafting Strategy Sweepstakes.
Additional information
- Checking any item for the first time on a save profile adds the name of the item to the Mount Holly Scrapbook, found upstairs in the Library, under the heading "MY FIRST CLAIM TICKET". The claim number is always shown as 008 rather than whatever the actual claim number was.