I also tried that :P.Tho sadly i dont think there is any use for the bottle yet.So we can only imagine for what the bottel will be used for.(the power of imagination ).
we can only hope.Imagination is a wild place after all :P.(also 2 words,magical rocks).Tho the game does have some stuff with kinks,and im pretty sure a mouse can fit in the jar.Probably overthinking it tho :p
Right back at ya :p.(tho i dont know why im cool,but thx :P(Im assuming it was because of the jar theory.Which was still not solved(tho i gess it was more of an after thought then a theory(or was it ).