Reference for Eruvin 206:2

מני אילימא רבנן ובמקדש כיון דאמרי רבנן בעלמא משום שבות הכא מה לי הוא מה לי חבירו

Thus only 'with his teeth'<span class="x" onmousemove="('comment',' An act which is a mere shebuth.');">⁴</span> but not with an instrument; only 'his fellow'<span class="x" onmousemove="('comment',' Who is unable to remove it completely and to perform a proper piece of work.');">⁵</span> but not he himself. Now whose view could this<span class="x" onmousemove="('comment',' The ruling that the priest himself should not remove his wen even with his teeth while his friend may remove it only with his teeth but not with an instrument.');">⁶</span>

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