WBLK Brainteaser for June 5, 2017

HERE'S THE BRAINTEASER:

A door is locked and impenetrable, and Neil doesn't have a key.  No one unlocks the door for him, and no damage is done, yet he is able to open the door and enter the house.  How?

Call 716-644-9393 today with the correct answer before 2pm to win tickets to see Boyz ii Men on Friday, June 23 at Key Bank Center in Buffalo