diff --git a/PRIVATE b/PRIVATE
index 226d7b627..1da271831 160000
--- a/PRIVATE
+++ b/PRIVATE
@@ -1 +1 @@
-Subproject commit 226d7b627e44247b800bce0d9eb7bef1aac6f537
+Subproject commit 1da271831a4afd0f4a8d46fdbaaf863529fdde06
diff --git a/examples/config/phase/mechanical/plastic/dislotwin_alpha-Brass-shearbanding.yaml b/examples/config/phase/mechanical/plastic/dislotwin_alpha-Brass-shearbanding.yaml
new file mode 100644
index 000000000..54f05984f
--- /dev/null
+++ b/examples/config/phase/mechanical/plastic/dislotwin_alpha-Brass-shearbanding.yaml
@@ -0,0 +1,12 @@
+type: dislotwin
+
+references:
+  - N. Jia et al.,
+    Acta Materialia 60(3):1099-1115, 2012,
+    https://doi.org/10.1016/j.actamat.2011.10.047
+
+v_sb: 0.0001
+xi_sb: 300.0e6 # tau_hat_sb
+Q_sb: 4.0e-19 # Q_0
+p_sb: 1.15
+q_sb: 1.0