A classic guitar headstock, showing the machine heads, nut and strings.
<a href="//commons.wikimedia.org/wiki/User:Alvesgaspar" title="User:Alvesgaspar">Alvesgaspar</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Alvesgaspar" title="User talk:Alvesgaspar"><span class="signature-talk">talk</span></a>)
CC BY 3.0
<span class="int-own-work">Self-photographed</span>