Ideally, you are able to choose only 4 keys that you use every day to add to your Slide. Part of the Slide’s value is reducing the items you carry to essentials only. So, the odd key you never use or don’t even remember what it is does not make the cut. If you absolutely cannot reduce the number of keys you carry to 4 or less, here are your options: Purchase two Slides and connect them together via the D-rings like nunchucks. We have seen several customers do this and are happy with the configuration. Connect additional keys along with any auto fob(s) to the D-ring directly Check out the Keyport Pivot 2.0 which holds up to 8 keys and tools