@charla51, you are right I think. Though there does seem to have been some sort of military direction in it's production. To what extent we will never know.
@Patrice, from what I remember, (I've got two copies of it; sad but true!) there is only one couched looking lance. It's kind of a moot point as without the development of the cornel it was not the high impact weapon that developed later on.
Please see pic below as a good illustration: