'Leeches could be directed to small areas such as the mouth, ear, or vagina, by placing them in a small receptacle called a "leech tube"'
<br>so very metal.. but what were they thinking? putting leeches in your ear?
<br><a href="http://www.collectmedicalantiques.com/bloodletting.html" target="_blank">http://www.collectmedicalantiques.com/bloodletting.html</a>