Reference for Zevachim 37:6

ופליגא דרבא דאמר רבא אמר רב חסדא במקום בגדים אפי' נימא אחת חוצצת שלא במקום בגדים שלש על שלש חוצצות פחות מכאן אינן חוצצות

But R'Johanan said: They ruled [that] excess garments [disqualify] only [when they are worn] where garments are worn; but if not where garments are worn, they are not an excess. Yet deduce [that it disqualifies] on account of an interposition?<span class="x" onmousemove="('comment',' Nothing may interpose between the priest's hand and the sacrifice, when he has to handle it.');">⁹</span>

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