Possible <i>new</i> "merge arrows" for the merge/split/transwiki template.
self-made; original by <a href="//commons.wikimedia.org/wiki/User:Davidgothberg" title="User:Davidgothberg">Davidgothberg</a>
<a href="//commons.wikimedia.org/wiki/File:Merge-arrows.svg" title="File:Merge-arrows.svg">Image:Merge-arrows.svg</a> and own work