Nobbly Bar Chewy Necklace

Based on your description, it sounds like you're describing a chew bar designed for oral sensory input. The key features you've highlighted are:

• Textured surface: The "raised, nobby texture" is intended to provide varied stimulation.

• Oral sensory input: It's for people who need to chew on things.

• Soothing and stimulating: It can help with things like teething and oral motor challenges.

This type of product is often used by children and adults with sensory processing needs, and they're usually made from safe, durable materials like medical-grade silicone.