Hey! My father knew a student who made a bunch of that stuff in university. He impregnated it into paper, then scattered little bits of the paper all over the halls, and it would make little tiny explosions when stepped on, startling people. He also used it to assassinate flies. He must have had a rather sick sense of humour.

It should work superbly on routing both cats and dogs, but not do them any real harm. When animals run into something inexplicable like that, they always make sure to stay completely away from the area afterward.

- LH