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LG V20 Case, Ringke [Onyx] [Resilient Strength] Flexible Durability, Durable Anti-Slip, TPU Defensive Case for LG V20 - Mist Gray [link]
I made a quick video review of the Speck Presidio CLEAR case. I had ordered a Ringke case in advance of getting the phone, but waiting for it would mean going 6 days without a case... and I was too nervous to do that. The Speck case was the only one I could find on the day I purchased my V20.
In short, I'm not a fan and will be returning the case. However, if you're interested in a clear case, then this might be helpful information.
I also ordered the OBLIQ Flex Pro case since it was available for just $2.99 (per another post here).