What is Red Noses recommendations for young children wearing bangles, anklets, necklaces (made of string, metal, beads, bells) when sleeping?

Red Nose has the following information
Red Nose does not recommend placing anything around the neck of a sleeping baby as this could tighten during sleep and make breathing difficult and may even strangle baby. Furthermore, strings of beads could break and individual beads could end up in a baby’s mouth, presenting a choking hazard.

always supervise the infant when wearing the necklace or bracelet
remove the necklace or bracelet when the infant is unattended, even if it is only for a short period of time
remove the necklace or bracelet while the infant sleeps at day or night not allow the infant to mouth or chew the necklace or bracelet

https://rednose.org.au/article/is-it-ok-for-babies-to-wear-a-necklace-or-beads