KVR Forum Topic: ' Ableton Live's secret feature: Show device slots ' - My friend showed me this today, I'm amazed. This has been my second. Learn how to unlock Ableton Live's many hidden features in this guide and To enable, add the following into spieleautomaten.review: ShowDeviceSlots. Ableton have in fact created the feature to show device slots in Live but left it out for some reason. However with a little tweak we can make it.