Reference for Eruvin 205:5

ואיבע"א הא והא באמצע מר סבר גזרינן ומר סבר לא גזרינן:

a preventive measure is enacted,<span class="x" onmousemove="('comment',' Sc. were a knot to be permitted in the middle someone might make one at the ends also.');">¹⁴</span> while the Masters<span class="x" onmousemove="('comment',' The Rabbis, the authors of our MISHNAH:');">¹⁵</span> hold that no preventive measure is to be enacted.<span class="x" onmousemove="('comment',' Hence the ruling that only a loop may be made but not a knot.');">¹⁶</span> <big><b>MISHNAH: </b></big>A WEN<span class="x" onmousemove="('comment',' On an animal intended as a sacrifice. Cf. Lev. XXII, 22: . . having a wen . . ye shall not offer . . unto the Lord.');">¹⁷</span>

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