The Lighting Handle has an acrylic tip that glows either green indicating unlockedness or red when it is occupied. The Lighting Handle is connected to a power outlet through the door. It’s quite expensive ($440), but very cool.
Source: Bim Bam Banana
Crawling Zombie Doorstop
Black Bar Party Glasses
Alien Egg Ice Cube Trays
Steampunk Sleep Mask
Eyeball Lunch Bag
Finde die Idee sehr gut, dazu passt auch die die Schweizer Erfindung : WC-Brille mit Lüftung.