I hate how my keys can scratch my wallet or my phone, so any kind of enclosure would be a good fix (as long as it didn't have metal). I also don't like the way my hands smell after handling keys, so this could provide a solution to that as well. $20 early bird is a pretty reasonable price. $10 would be an impulse buy for me easily if I saw this in CVS or walmart. Like the logo as well.
-Sal
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I'm definitely not an expert on kickstarter, but I did a ton off research before I launched my project, so I was surprised to see your highest reward level was only $44. Is there a reason you decided not to have a higher priced set of rewards? Other than that, I love the idea. Has big potential.