Anxiety Breathe Easy Necklace Mindfulness Breathing Necklace Breathlace Stainless Steel Pendant for Natural Calm & Stress Relief

This is the one I got : https://a.co/d/0isuEbfW It has a hole on the side that you can cover with your finger for more resistance. (All of my vapes had a lot of resistance so I liked that I could do that lol)