Amazon.com: AirTag Holder with Safety Pin(2 Pack, White), Hidden Wearable AirTag Case with Brooch Clip for Clothes of Kids, Toddler. Better Substitute for Air Tag GPS Tracker Accessories of Necklace, Bracelet :
Helio Ascari Leather Wrapped Vintage Military Safety Pin – RIVAY
Crown Safety Pin Key Chain - Bill Wall Leather Inc.
Welder's Pin 1 ea
2 Vintage Large Metal Safety Pins Key Holder Horse Blanket - Etsy
Safety Pin Key Chain in Brass and Silver — Michael Raymond Jewelry
One Brass Large Safety Pin Key #51 Tag Duffel Laundry Horse Bag Key Ring 1930s | eBay