Reference for Beitzah 2:7
אַף הוּא אָמַר שְׁלֹשָׁה דְבָרִים לְהָקֵל, מְכַבְּדִין בֵּין הַמִּטּוֹת, וּמַנִּיחִין אֶת הַמֻּגְמָר בְּיוֹם טוֹב, וְעוֹשִׂין גְּדִי מְקֻלָּס בְּלֵילֵי פְסָחִים. וַחֲכָמִים אוֹסְרִין:
He (R. Gamliel) also adopted the lenient view in three things: It is permitted to sweep between the beds (on yom tov). [They used to recline on beds and eat. Because the space (between beds) is small, we do not fear that he might even out holes (in a sand floor), as we do in respect to the house, which, being large, is bound to have holes.] And it is permitted to make mugmar on yom tov [i.e., to place frankincense on coals to inhale the aroma; but all hold that it is forbidden to perfume clothing.] And it is permitted to make a gedi (a kid) mekulas on Pesach night. ["mekulas" — roasted with its legs and its entrails at its side, in commemoration of the Pesach offering, concerning which it is written (Exodus 12:9): "its head, with its legs, with its entrails." "mekulas," as a warrior bearing his weapons. The targum of (I Samuel 17:5): "and a copper helmet" is "vekulas dinechash." Rambam interprets "mekulas" as "distinctive," as in "kilus."] And the sages forbid [all three: sweeping, because he might even out holes; "mugmar," because it is not required by all, but only by the pampered and self-indulgent and those with body odor; "mekulas," because he gives the impression of eating consecrated food outside (the prescribed area). The halachah is in accordance with the sages.]