Nah, a kruka is a flower pot and devoid of any handles or ears.
To be honest, the whole thing works much better in English than in Swedish (pots with ears and whatnot), maybe that is the original language?
read fluently, understand well, speak badly;
read fluently, understand badly, can't speak;
read some, understand a bit, speak a few sentences;
heritage language, want to understand and speak but can't.