Sturdy Phone Holder with Elastic ring/ Note 9 one-handed operation

Tl;dr: Sturdy elastic phone ring holder that allow One handed usage of Note 9, with easily replaceable strap.

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I got one of those ring holders and it just did not feel good on my finger and still very loose hold on my Note 9.

There are some phone holders with elastic, but in amazon but reviews are pretty bad since they most glue the elastic to the body and that eventually tears or wear off.

So I designed one where I can easily replace the elastic and where I could feel my ph