Talmud zu Jehoschua 19:27

It happened that Jehudah and Hillel, Rabban Gamliel’s³⁹Gamliel III, son of Rebbi. sons, went to bathe in the bathhouse of Kabul⁴⁰Jos. 19:27.. They said to them, it is not our usage that two brothers should be bathing together. They did not want to tell them, so it is permitted, but entered one after the other. Also they went to promenade in gilded bark sandals^40aLatin corticea at Biro⁴¹In Upper Galilee. in the night of the Sabbath. They said to them, it is not our usage to promenade in gilded bark sandals on the Sabbath. They did not want to tell them, so it is permitted, but sent them by their slaves.