BSicon lock and falls
<a href="//commons.wikimedia.org/wiki/User:Vanisaac" title="User:Vanisaac">Vanisaac</a>
2020-08-31
Own work based on: <a href="//commons.wikimedia.org/wiki/File:BSicon_uvxWDAMM%2BLOCKg.svg" title="File:BSicon uvxWDAMM+LOCKg.svg">BSicon uvxWDAMM+LOCKg.svg</a> and related