JackBacks for iPhone — Nature x Technology

"JackBacks is not just another iPhone case company. We create custom wood back replacements for the iPhone 4. This is real wood that is laser cut and etched, then handcrafted to work perfectly with your iPhone, giving you a custom look that merges the beauty of nature with the power of technology."

JackBacks is Adam Baumgartner, who writes, "Every JackBack is handmade in Cincinnati, Ohio by me. JackBacks are laser cut and etched for super-precise fitting. The wood is then sealed, sanded, and finished with Tung oil, then affixed to an OEM iPhone 4 bezel."

From $89.