Sensory Chew Necklace are a safe and discrete alternative for individuals with sensory needs (Autism, ADHD, PDD etc.) It greatly reduce anxiety & stress, help stay calm and effectively stop them from chewing shirts or biting fingernails.  Medium strength.   1 color is picked and shipped at random based on availability at time of order.  

Comes with breakaway clasp and is adjustable. 
Flexible yet durable but not recommended for aggressive chewers.