The LiteLok Gold bike lock is marketed as being all but impossible to beat, with a 17-minute ad showing various tools and an “Ironman” triathlete unable to get in. An independent tester picked one up to see what all the fuss was about, and needed only 16 seconds to defeat it.
He chomped through it with this pair of cable cutters [Amazon], which I’ll now be getting for all my petty street theft and interrogation needs. It’s a premium brand (HK Porter) but nothing fancy. LiteLok’s manufacturer, in response to this video, says that none of the others tested were of much use.
As bike lock failure goes, though, nothing beats this classic from Engadget where they open a Kryptonite model by jamming a pen in it: