Amazon.com : AceCamp Munkees Small Compass and Thermometer Keychain, Mini Pocket-Sized Waterproof Keyring Gear for Camping, Hiking, Backpacking, Survival Tool, Emergency Kit : Camping Compasses : Sports & Outdoors
Amazon.com : Sun Company TempaComp - Ball Compass and Thermometer Carabiner | Hiking, Backpacking, and Camping Accessory | Clip On to Backpack or Jacket | Ultralight, Accurate Compass for Navigation and Orienteering :