Yes, exactly. Those are perfect. Also, they sell decorative slip-on accessories in the stores (DVC gets a free little silicone identifier for example) that can double to secure the strap overlaps.
I used one of these with our keys to the kingdom card before Magicband came out. It worke great on my belt loop because I could stretch it. I wonder if would work worth the band too. https://m.4imprint.com/tag/531
Wow I have never seen or noticed these! These are so cute! I personally love the magic band on my wrist, our first trip with the MB I forgot to take it off the entire trip. Now that I have four of them I would totally rock one on my wrist and another on the key chain
They sale 2 key chains that are specifically designed to put your magicband on. One is a Mickey hand and the other a Minnie Bow. They use to retail for 14.95. Not sure what they are going for now.