Reference for Eruvin 204:5
<big><strong>מתני׳</strong></big> מחזירין ציר התחתון במקדש אבל לא במדינה והעליון כאן וכאן אסור רבי יהודה אומר העליון במקדש והתחתון במדינה:
whereas the latter deals with one that was not tight.<span class="x" onmousemove="('comment',' The prohibition against wearing it being due, not to the reason that the peak is regarded as a 'tent', but to the possibility that the cap might be blown off and the man on recovering it would carry it along a greater distance than four cubits in the public domain. Such a possibility need not, of course, be provided against in the case of a cloak or in the case of a cap that is set tight on one's head which cannot easily be blown off.');"><sup>15</sup></span> <big><b>MISHNAH: </b></big>A LOWER PIVOT<span class="x" onmousemove="('comment',' Of the door of a cupboards a window or the like that open sideways.');"><sup>16</sup></span> MAY BE RE-INSERTED IN ITS SOCKET IN THE TEMPLE<span class="x" onmousemove="('comment',' On the Sabbath. So long as the upper one remains in its socket it is easy for the lower one to be re-inserted and the act cannot, therefore, be regarded as 'building' which is forbidden.');"><sup>17</sup></span> BUT NOT IN THE COUNTRY.<span class="x" onmousemove="('comment',' Where (as explained infra) a preventive measure has been enacted against the possibility of driving the pivot into the socket with the aid of a hammer or axe which is, of course, forbidden on the Sabbath.');"><sup>18</sup></span>