I did disagree with the idea that a toy could be substituted as a reward instead of edible treats, because part of the process is to keep things distraction - free. (pottypatty.com)
There are also wonderful long - lasting treat products made of pieces of wood stuffed with edible treats, such as seeds, dried fruit, herbs and nuts. (petbusiness.com)
** These are some of my favourite edible treats. (84thand3rd.com)