Horsey Horseless - If you can't figure it out, you must not enjoy life.
Once upon a time, a hair-brained engineer named Uriah Smith noticed that horses often got spooked by these new-fangled motor-cars. No doubt it would calm them if said motor cars were adorned with the severed heads of other horses that were filled with a foul smelling and explosive liquid.
Would you be less afraid of a tank if it had your cousin's severed head-turned-bomb glued to the front of it? Didn't think so. This, the fact that this thing looks impossibly stupid, and the infantile name are no-doubt the reasons why the Horsey Horseless never caught on with people or horses.