Responsa for Menachot 83:7
ואיצטריך דרב פפא ואיצטריך דר' יעקב דאי מדרב פפא הוה אמינא תוך ג' דלא לירחיק טפי וכמה דמקרב מעלי איצטריך דר' יעקב
Now both R'Papa's teaching<span class="x" onmousemove="('comment',' Supra 41b, that the fringes must be inserted within three fingerbreadths' distance from the corner.');"><sup>9</sup></span> and this teaching of R'Jacob are necessary.
Teshuvot Maharam
Phylacteries which lost their square shape through age and use must be reshaped before they can be used. But zizith (fringes) are fit for use at any time if, when they were made, they were of the required shape and size.
SOURCES: Pr. 68.
SOURCES: Pr. 68.
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