Yeah yeah, this all makes sense until you see 品, which isn't "a three-mouthed monster" but "goods".
Languages are weird, man.
Languages are weird, man.
But I think I might like to visit.
"口" = mouth, not crate
"品" is a stack of mouth characters
> Square-shaped object (tripled) → high-quality goods spread throughout a protective container (compare 舗 and 販) → quality; counter for goods; (person's) character; grade; value.
http://www.kanjinetworks.com/eng/kanji-dictionary/online-kan...
Two or three of something is a pretty common pattern in kanji. Two basically implies "several", while three implies "a fuckton". Two suns, for instance, is "bright". Three suns is a sparkling crystal.