A silhouette of a figure skate, made by me.
<a href="//commons.wikimedia.org/wiki/User:Liftarn" title="User:Liftarn">Liftarn</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Liftarn" title="User talk:Liftarn"><span class="signature-talk">talk</span></a>)
It is a tracing from the public-domain image <a href="//commons.wikimedia.org/wiki/File:Blackskate.jpg" title="File:Blackskate.jpg">Image:Blackskate.jpg</a>.