swift
... that a swift is a tool with an adjustable diameter used to hold a skein of yarn while it is being wound off?
... that a <b id="mwD0U"><a href="./Swift_(textiles)" id="mwD0Y" rel="mw:WikiLink" title="Swift (textiles)">swift</a></b> <i id="mwD0c">(pictured)</i> is a tool with an adjustable <a href="./Diameter" id="mwD0g" rel="mw:WikiLink" title="Diameter">diameter</a> used to hold a <a class="mw-disambig" href="./Skein" id="mwD0k" rel="mw:WikiLink" title="Skein">skein</a> of <a href="./Yarn" id="mwD0o" rel="mw:WikiLink" title="Yarn">yarn</a> while it is being wound off?