&gt; Objects in Self support multiple prototype slots<p>Which it calls parent slots[0], the prototype being the &quot;template object&quot; originally copied&#x2F;cloned to make the current object[1].<p>[0] <a href="http:&#x2F;&#x2F;handbook.selflanguage.org&#x2F;4.5&#x2F;langref.html#parent-slots" rel="nofollow">http:&#x2F;&#x2F;handbook.selflanguage.org&#x2F;4.5&#x2F;langref.html#parent-slo...</a><p>[1] <a href="http:&#x2F;&#x2F;handbook.selflanguage.org&#x2F;current&#x2F;glossary.html" rel="nofollow">http:&#x2F;&#x2F;handbook.selflanguage.org&#x2F;current&#x2F;glossary.html</a>