Hiking: LED safety lights are easy to clip on any part of clothing, outdoor gear, running gear, children's clothing, anything. Walk your pet: LED security lights can be perfect for use on shoes, leashes, dog collars, dog leashes and more Running: The lightweight design makes it an ideal safety light that can be mounted anywhere on your arm, forearm, ankle, calf, etc Bike riding: Bike taillights fit comfortably and stay on your bike frame, seat posts, handlebars, helmet and more. Our bike taillights are used for a variety of purposes to help or alert other passengers, drivers and pedestrians to spot you in low light or total darkness.