diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..32f86a4
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "Hog"]
+	path = Hog
+	url = https://gitlab.cern.ch/hog/Hog.git
diff --git a/Hog b/Hog
new file mode 160000
index 0000000..85cce77
--- /dev/null
+++ b/Hog
@@ -0,0 +1 @@
+Subproject commit 85cce773f8acff6d82dbb9de77bedc8c3ae7b8c6