I'm surprised there aren't more wearable or in built light products
Let me introduce you to Kickstarter.
Oh dear, Is it a flooded with them?
@GoatandTricycle started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Let me introduce you to Kickstarter.