ARK's Saber Tooth Chew Necklace provides a safe, wearable, discrete, and cool solution for those who need to chew. Use this "chewelry" as an oral fidget (or even hand fidget) to help calm, soothe, and self-regulate during times of stress, to better focus during homework and other activities, for sensory oral motor input, and/or as a safe alternative to chewing/biting on fingers, knuckles, shirts, pencils, etc.Comes in 3 color-coded toughness levels: standard - recommended for mild chewers, XT for "Xtra Tough" - for moderate chewers and XXT for "Xtra Xtra Tough" – for avid chewers.