Odd trinket

A strange trinket unlike anything you're used to seeing, you can't figure out what use or sentimental value it might've once held upon first glance but more in-depth study may yield an answer.

Sheets

 * rubbery sheet
 * whispering sheet

Knots

 * sinister knot

Rings

 * vibrating ring
 * light ring

Beads

 * odd beads