I read that the problem with the dogs was that they were trained using T34s......... a few times in battle a couple of dogs ran under the tank type that they were used to seeing and ignored the German tanks. Not good !

I've seen a picture of a "stuffed" dog in a Russian museum showing this dog with the bomb device. It was strapped to the dog on a saddle type harness. I'll try to fing that photo and post it. I built a 1/16 scale model of it just for fun a few years ago.