This bike glove takes one coin-cell 3V battery to light 3 LEDs when the two fingers contact each other. It will be used for biking in the dark: it will both keep my fingers warm in the 3-fingered bike-glove style and it will serve as a very visible signal if I need to turn or slow down. Hand-sewn with 4ply conductive thread and surface mount LEDs.
(note: it was really sunny when i took this video, but the lights are actually quite bright!)

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