Geo is a master manipulator. When he was conducting animal school, he could get M to buy whatever he wanted by claiming it was for animal school.
One time, they were at Dollar Tree, and Geo was trying to convince her to buy these cones with motivational phrases like "Great job!" M was dubious and said no. Then Geo had a brilliant idea. He added, "But these would really encourage my animals in animal school!" Guess who won the battle?
Now we use them to reward animals for a job well done. Well, maybe just for being cute.