Instruct: Classify a given review as either positive or negative.
Query: Crumbled in hand

I've had this lock for about 4 years. At first, I did have problems with locking and unlocking the lock and it eventually "worked out". This lock was kept on the book rack of my bike indoors most of the time, except on days that I rode my bike to work or to go shopping, nothing out of the ordinary. This lock literally fell apart in my hands when I unlocked it yesterday!!! For the price that I paid and the little time it was exposed to the elements, THIS SHOULD NOT HAVE HAPPENED. I have a Schwinn U-lock that has been locked outside to a fence for years that is rusty, BUT it still unlocks and unlocks and hasn't fallen apart!!!