My Aroma Comp has come in handy many times. I keep it attatched to my purse at all times. The comp comes with it's own little case and hook and can be easily attatched to your bag, purse, belt loop or back pack . I've needed it for a boost of clarity and grounding many times even while grocery shopping. It was so great to have while I was traveling on the train. I use it daily at work and even tak...