diff --git a/.gitmodules b/.gitmodules
index 839ab9f..0ca9a62 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7120,3 +7120,6 @@
 [submodule "perl-XML-Structured"]
 	path = perl-XML-Structured
 	url = ../../pool/perl-XML-Structured
+[submodule "trousers"]
+	path = trousers
+	url = ../../pool-internal/trousers
diff --git a/trousers b/trousers
new file mode 160000
index 0000000..e776bf8
--- /dev/null
+++ b/trousers
@@ -0,0 +1 @@
+Subproject commit e776bf80056f61898f7ea20f9c29b05d7e2419da