Fish

Carriage market are often are made ​​to facilitate upright directly analogous throw into it , in order to make a difference I have to design a carriage horizontally , if you want to put pen to go slowly you will inevitably have to put , or pen from the other side fall out , directly or broken water broke . But the carriage is not so like it 's not humane shape is two fish in the sea and leisurely way you can put the same type of pen in different holes , not to mention the relationship because it is placed horizontally pen is not easy without water there are faster and more convenient to find a pen !