Komusō Elegant silver stress relief breathing necklace. EUC ⭐️ The original breathing necklace inspired by 17th century Komodo monks of Japan who used a flute to find stillness ⭐️ the tested chamber slows your exhale which relaxes your nervous system and reverses anxiety ⭐️ Sterling Silver luxe box chain with stainless steel pendant measuring 2” ⭐️ Instruction book included ⭐️ Never used