diff --git a/.gitmodules b/.gitmodules
index 99ace9b..77938f9 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,6 @@
 [submodule "pdasigi"]
 	path = pdasigi
 	url = https://github.com/pdasigi/sp2014.11-731.git
+[submodule "drayson"]
+	path = drayson
+	url = git://github.com/drayson92/sp2014.11-731.git
diff --git a/drayson b/drayson
new file mode 160000
index 0000000..4704f99
--- /dev/null
+++ b/drayson
@@ -0,0 +1 @@
+Subproject commit 4704f991c212594900861683dba8cf2adf6d8cac