Sightglass Cuppa Restaurant Escape

Restaurant Sightglass

Assume that you came to Sightglass Cuppa Restaurant for a coffee. As its was restaurant closing time unfortunately staff closed all the door of restaurant without knowing that your inside.Now you have to find a way to get out of the restaurant and get back home soon.As you have good problem solving skills, you have to find the hidden clues by using the objects around the room and escape from the restaurant.