Left: barrel of sake 畐 (originally image of a barrel as an offering at the temple, therefore also wealth and luck 福), right: knife 刂 (Here刂 as a variant of two 二)
Mnemonic
This sake barrel is the second, as duplicate, as a 'deputy'.
Developed from the image of a sake barrel, which is a typical temple offering at New Year. - The kanji 畐 also used as 'to fill' or 'roll of cloth' [フク]
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