@@ -43,4 +43,8 @@ Just "Functional Ikamusume"
4343…
4444```
4545
46+Tips
47+----
4648
49+* Use [cosmos](http://hackage.haskell.org/package/lens-4.19.2/docs/Control-Lens-Plated.html) to traverse over all children
50+* You can do or-composition of traversals with [failing](http://hackage.haskell.org/package/lens-4.19.2/docs/Control-Lens-Traversal.html#v:failing)