The 3.5mm headphone jack of your mobile device will be enough to anchor your device practically anywhere if you use the Pluggy Lock. After being 641% funded on Kickstarter, the lock is finally available for you to carry your smartphone or tablet easily on the go. The lock will fit into your headphone jack and all you have to do is screw it in. You’ll be happy to know that this lock has surpassed the stress test of 7 lbs already and is one of the coolest device you can use to anchor your mobile device anywhere you please. It is available in a number of colors and types. Just a couple of twists and turns and you’re Pluggy Lock will be all set for use.
Sadly I don't think it works with a case on a Samsung S8 Plus mixed with a LifeProof fre.