Adding "Shift" and "Unshift" examples.
diff --git a/SliceTricks.md b/SliceTricks.md
index 68d90a2..59118f4 100644
--- a/SliceTricks.md
+++ b/SliceTricks.md
@@ -89,6 +89,17 @@
 a = append(a, x)
 ```
 
+**Shift**
+```
+x, a := a[0], a[1:]
+```
+
+**Unshift**
+```
+// use appropriate type	
+a = append([]string{x}, a...)
+```
+
 ## Additional Tricks
 ### Filtering without allocating