diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..b0d3c18
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "hottislib"]
+	path = hottislib
+	url = ../hottislib.git
diff --git a/hottislib b/hottislib
new file mode 160000
index 0000000..b7b7d6e
--- /dev/null
+++ b/hottislib
@@ -0,0 +1 @@
+Subproject commit b7b7d6e95d7901c16952dacd0932a8e9b87fadef