Cuz's....not so much the
favorite, but the toy that they will play with and not be harmed or the toy destroyed. Karlo's favorites are the teaserball, bestball, eggball and jollyball but he wears down his teeth and tears up his muzzle when he plays with them so they are limited.
For training , ball on string, and synthetic two handle tugs.
I bought the bestball at elite