diff --git a/bam/__main__.py b/bam/__main__.py
new file mode 100644
index 0000000..c5f166b
--- /dev/null
+++ b/bam/__main__.py
@@ -0,0 +1,8 @@
+"""Main module for running python -m bam.
+
+Doesn't do much, except for printing general usage information.
+"""
+
+print("The 'bam' module cannot be run directly. The following subcommand is available:")
+print()
+print("python -m bam.pack")
diff --git a/bam/pack.py b/bam/pack.py
new file mode 100644
index 0000000..8df5b9d
--- /dev/null
+++ b/bam/pack.py
@@ -0,0 +1,10 @@
+"""CLI interface to BAM-pack.
+
+Run this using:
+
+python -m bam.pack
+"""
+
+if __name__ == '__main__':
+    from bam.blend import blendfile_pack
+    blendfile_pack.main()