If, during your next hotel stay, you're met with a lock on your door like that pictured above, it's time for a conversation with management. This is an Onity HT series lock. Cody Brocious claims that ...

I'd wager just about everyone has stayed in a hotel that uses the key card locks where you slide a little card into the door to release the locking mechanism. One hotel called the Hyatt in the Houston ...