Look around for a tool of some sort (lz)

Plum grabbed the still-lit candle at the end of the dining table and began swathing it across the table, looking for the glint of silverware. Being laid out for a full dinner service, it didn't take long. She reached for a knife set for the seat the she'd found the girl in when she noticed something else - on the girl's plate, was a small black object. It was about the size of a guitar pick, except...

Plum moved the candle. As the light reached the object, it glimmered. It was definitely made of the same material as the suit. It was...

"A zipper tab?" Plum said aloud, expecting the girl to react in some way... before realizing that she was unable to hear her.