Oyster Egg Tattoo
From TheKolWiki
The Oyster Egg Tattoo is obtained by visiting the Pretentious Artist while wearing the Grass Guise.
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Please allow me to paint your portrait...
Ah, the majestic hula girl. So understated, so underappreci-- hey, is that plastic oyster grass! Ack! Here, if I give you this painting, will you leave before you get that stuff everywhere? It's so hard to get out of the dirt walls in here, you know.