Reference for Shabbat 284:17

אמר אביי אי לאו דאדם חשוב אנא כפא אכיפי למה לי הא חזו למיזגא עלייהו

IF IT IS [STANDING] AMONG THE CASKS, HE LIFTS IT OUT. It was taught, R. Jose said: If the cask is lying among a store [of casks], or if glassware is lying under it, he lifts it out elsewhere, tilts it on a side, so that it falls off, takes thereof what he requires, and replaces it.

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