Car mechanics may spend hours at a time underneath cars and trucks, straining to peer deep into engine blocks. A high-quality LED headlamp is crucial in such circumstances. As experienced mechanics can vouch, the cheapo headlamps from drugstores just can’t stand up to the rigors of the car shop. And it’s just plain awkward to cradle a flashlight under your chin while using both hands for repairs. To serve mechanics well, LED lighting must be hands-free and reliable.