diff --git a/README.md b/README.md
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+++ b/README.md
@@ -2,4 +2,23 @@
 
 Firmware for the TradRack filament Changer, adjusted for my RatRig V-Core 3.0 with Duet Firmware
 
-This has originally started as a fork of pfn0's work but I ended up rewriting almost everything of it (with a lot of help from the Duet3D Discord, so a humongous shoutout to those guys!)
\ No newline at end of file
+This has originally started as a fork of pfn0's work but I ended up rewriting almost everything of it (with a lot of help from the Duet3D Discord, so a humongous shoutout to those guys!)
+
+# Usage
+This whole thing currently is at an extremely early stage of development, usability wise.
+- Copy everything from the mmu/ folder onto your printer under /sys/mmu
+- Adjust the `mmu/settings.g` and `mmu/lib/globals.g` to your liking
+- run the generator with `M98 P"mmu/generate.g"` - **Do this everytime you change something in globals.g or settings.g to reflect those changes!**
+- add `M98 P"mmu/lib/init.g"` somewhere at the end of your config.g to auto-initialize the changer on startup
+- in your slicer, add `M98 P"mmu/lib/load-tool.g" <NEXT tool placeholder, e.g. "T[next_extruder]" in Prusa Slicer>` as Custom G-Code in the Tool change G-Code section
+- in your slicer, add `M98 P"mmu/lib/unload.g"` as Custom G-Code in the End G-Code section
+- in your slicer, add `M98 P"mmu/lib/load-tool.g" <CURRENT placeholder, e.g. "T[current_extruder]" in Prusa Slicer>` as custom G-Code in the Start G-Code section
+- Optionally, to improve single filament prints (since Prusa doesn't prime the nozzle in this case), you can add 
+```hs
+{if total_toolchanges == 0};fully prime the nozzle since we don't have a wipe tower. Give it 5mm extra to partially wipe the old filament out.{endif}
+{if total_toolchanges == 0}G92 E0{endif}
+{if total_toolchanges == 0}G0 E50 ;50mm is the parking position of my extruder{endif}
+{if total_toolchanges == 0}G92 E0{endif}
+{if total_toolchanges == 0}G0 E5 F600{endif}
+{if total_toolchanges == 0}G92 E0{endif}
+```