Refactored the feature, release and support subcommands, too.
diff --git a/git-flow-support b/git-flow-support
index d855eaa..adb336d 100644
--- a/git-flow-support
+++ b/git-flow-support
@@ -13,7 +13,8 @@
 #
 
 usage() {
-	echo "usage: git flow start support <version> [<base>]"
+	echo "usage: git flow support"
+	echo "       git flow support start <version> [<base>]"
 }
 
 parse_args() {
@@ -29,6 +30,17 @@
 	BRANCH=$PREFIX$VERSION
 }
 
+cmd_default() {
+	# TODO: Refactor getting this prefix into a general function
+	PREFIX=$(git config --get gitflow.prefix.support || echo support/)
+	SUPPORT_BRANCHES="$(echo "$LOCAL_BRANCHES" | grep "^$PREFIX")"
+	if [ -z "$SUPPORT_BRANCHES" ]; then
+		warn "No support branches exist."
+		exit 0
+	fi
+	echo "$SUPPORT_BRANCHES" | sed "s?^$PREFIX??g"
+}
+
 cmd_help() {
 	usage
 	exit 0