![Heavy metal piece with rubber ring attached to my hotel key.Seems to have another purpose than showing the room number. : r/whatisthisthing Heavy metal piece with rubber ring attached to my hotel key.Seems to have another purpose than showing the room number. : r/whatisthisthing](https://i.redd.it/heavy-metal-piece-with-rubber-ring-attached-to-my-hotel-key-v0-s6asy1ruyeia1.jpg?width=3472&format=pjpg&auto=webp&s=be46ef1dedb08e66d26caa8afc021144369d54d2)
Heavy metal piece with rubber ring attached to my hotel key.Seems to have another purpose than showing the room number. : r/whatisthisthing
![Amazon.com : 10pcs Mix-Size Anti-Lost Silicone Rubber Ring Holder Multipurpose Random Color for Pens and Similar Devices Key-Ring Phones Pendant Daily Sport Silicone Bands Mini 8mm13mm : Office Products Amazon.com : 10pcs Mix-Size Anti-Lost Silicone Rubber Ring Holder Multipurpose Random Color for Pens and Similar Devices Key-Ring Phones Pendant Daily Sport Silicone Bands Mini 8mm13mm : Office Products](https://m.media-amazon.com/images/I/51Rw6gBq1BL._AC_UF350,350_QL80_.jpg)
Amazon.com : 10pcs Mix-Size Anti-Lost Silicone Rubber Ring Holder Multipurpose Random Color for Pens and Similar Devices Key-Ring Phones Pendant Daily Sport Silicone Bands Mini 8mm13mm : Office Products
![24pcs Flat Key Rings Key Chain Metal Split Ring (Round 1 inch Diameter), for Home Car Keys Organization, Lead Free Electroplated Black - Walmart.com 24pcs Flat Key Rings Key Chain Metal Split Ring (Round 1 inch Diameter), for Home Car Keys Organization, Lead Free Electroplated Black - Walmart.com](https://i5.walmartimages.com/seo/12pcs-Flat-Key-Rings-Key-Chain-Metal-Split-Ring-Round-1-inch-Diameter-for-Home-Car-Keys-Organization-Lead-Free-Electroplated-Black_132f9ac1-c54c-4ade-8b8f-bafbf5f78cd0_1.f1ed871e8af549cebf44eb7bde8f87bb.jpeg)
24pcs Flat Key Rings Key Chain Metal Split Ring (Round 1 inch Diameter), for Home Car Keys Organization, Lead Free Electroplated Black - Walmart.com
![Amazon.com: Flat Key Rings 10 Pieces 1 inches Flat Key Rings Metal Keychain Rings Split Keyrings Flat O Ring for Home Car Office Keys Attachment(Black) : Clothing, Shoes & Jewelry Amazon.com: Flat Key Rings 10 Pieces 1 inches Flat Key Rings Metal Keychain Rings Split Keyrings Flat O Ring for Home Car Office Keys Attachment(Black) : Clothing, Shoes & Jewelry](https://m.media-amazon.com/images/I/61vEGJsdE7L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Flat Key Rings 10 Pieces 1 inches Flat Key Rings Metal Keychain Rings Split Keyrings Flat O Ring for Home Car Office Keys Attachment(Black) : Clothing, Shoes & Jewelry
![COLMO Tesla Smart Ring Tesla Key Ring Accessories Key Card Model Y Key Fob Replacement Ceramic RFID(7mmUS12-BLUE) - Walmart.com COLMO Tesla Smart Ring Tesla Key Ring Accessories Key Card Model Y Key Fob Replacement Ceramic RFID(7mmUS12-BLUE) - Walmart.com](https://i5.walmartimages.com/asr/a59ecdc1-d1de-45b2-853d-a16c0d3e43d0.61c926db05f38cfc48735ed5c06e718d.jpeg)
COLMO Tesla Smart Ring Tesla Key Ring Accessories Key Card Model Y Key Fob Replacement Ceramic RFID(7mmUS12-BLUE) - Walmart.com
![Amazon.com : Mini Skater Silicone Key Cap House Key Tag Cover Labels Rubber Keycaps with 1 Piece Cable Key Ring For key Identify and organization,8 Assorted Random Color,8Pcs : Office Products Amazon.com : Mini Skater Silicone Key Cap House Key Tag Cover Labels Rubber Keycaps with 1 Piece Cable Key Ring For key Identify and organization,8 Assorted Random Color,8Pcs : Office Products](https://m.media-amazon.com/images/I/61aFNoERXhL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Mini Skater Silicone Key Cap House Key Tag Cover Labels Rubber Keycaps with 1 Piece Cable Key Ring For key Identify and organization,8 Assorted Random Color,8Pcs : Office Products
![Wholesale 8x1.5mm Mechanical Keyboards Keycaps Reduce Noise Seal O-ring Key Rubber Ring From m.alibaba.com Wholesale 8x1.5mm Mechanical Keyboards Keycaps Reduce Noise Seal O-ring Key Rubber Ring From m.alibaba.com](https://s.alicdn.com/@sc04/kf/H69fb612cc2ff4ac6962e4d9f8d9979791.jpg)
Wholesale 8x1.5mm Mechanical Keyboards Keycaps Reduce Noise Seal O-ring Key Rubber Ring From m.alibaba.com
![8pcs/lot Hollow Multi Color Rubber Soft Key Locks Keys Cap Key Covers Topper Key Ring Mixed Color Easy To Identify - Key Chains - AliExpress 8pcs/lot Hollow Multi Color Rubber Soft Key Locks Keys Cap Key Covers Topper Key Ring Mixed Color Easy To Identify - Key Chains - AliExpress](https://ae01.alicdn.com/kf/HTB1BVgHm3n.PuJjSZFkq6A_lpXae/8pcs-lot-Hollow-Multi-Color-Rubber-Soft-Key-Locks-Keys-Cap-Key-Covers-Topper-Key-Ring.jpg)
8pcs/lot Hollow Multi Color Rubber Soft Key Locks Keys Cap Key Covers Topper Key Ring Mixed Color Easy To Identify - Key Chains - AliExpress
![Amazon.com : 10pcs Mix-Size Anti-Lost Silicone Rubber Ring Holder Multipurpose Random Color for Pens and Similar Devices Key-Ring Phones Pendant Daily Sport Silicone Bands Mini 8mm13mm : Office Products Amazon.com : 10pcs Mix-Size Anti-Lost Silicone Rubber Ring Holder Multipurpose Random Color for Pens and Similar Devices Key-Ring Phones Pendant Daily Sport Silicone Bands Mini 8mm13mm : Office Products](https://m.media-amazon.com/images/I/51lOgqYS5JL._AC_UF894,1000_QL80_.jpg)
Amazon.com : 10pcs Mix-Size Anti-Lost Silicone Rubber Ring Holder Multipurpose Random Color for Pens and Similar Devices Key-Ring Phones Pendant Daily Sport Silicone Bands Mini 8mm13mm : Office Products
![Amazon.com : 10pcs Mix-Size Anti-Lost Silicone Rubber Ring Holder Multipurpose Random Color for Pens and Similar Devices Key-Ring Phones Pendant Daily Sport Silicone Bands Mini 8mm13mm : Office Products Amazon.com : 10pcs Mix-Size Anti-Lost Silicone Rubber Ring Holder Multipurpose Random Color for Pens and Similar Devices Key-Ring Phones Pendant Daily Sport Silicone Bands Mini 8mm13mm : Office Products](https://m.media-amazon.com/images/I/614UAwlVLUL.jpg)