The CPSC and L.L. Bean "together" announced recall Tuesday of a genus of products that include a no-battery flashlight and a compass. Here's the reason:
The products have a flashlight that relies on a powerful magnet and copper coil for manual recharging. The magnet adversely affects the polarity of the compass rendering it unreliable.
on a less funny note, the flashlight could also, the notice suggests, interfere with an implantable cardiac defibrillator. but still...