Temper Tantrums and the "Pack Mentality"
Very early on, right after Lily came to live with us, she showed us how important the "concept or the pack" was. She was acting as if she was a confused adolescent, unsure of who she was. When one of her behaviors required immediate and strong action, I grabbed her and pinned her down, immediately immobilizing her, while quietly saying "No". From that point, I think that she understood who the "Alpha" was . Her reactions to the family til this day, shows how she perceives the pack status of us all, including her. When I am home, her attention and allegiance is to me. When I am gone she turns to my wife. She treats my daughter as a sibling, playing with her, but not obeying, unless she really wants to do what she is asked by her. If neither me or my wife are home, she then obeys my daughter, no matter what.
My long post is just this: Only when you establish the order of the pack, will your pack have order.
If one of your Shelties is competition for the control of the pack, you have no control. They will do as they please until the correct order is established and unacceptable behavior is dealt with.
Let me be perfectly clear, we have never heard Lily whimper from pain. She has never been swatted with anything, always been treated with the same respect that the rest of us are. She recognizes my tone of voice to her,my posture to her as to my level of displeasure with her(which is very rare). If I feel that she really needs serious correction, it is done down at her level, with quiet words,, or I know it sounds strange, sometimes a low growl to her.
This works for us at home and in public places, because she understands who is alpha to her, and she knows what the consequences are .
In my opinion, when you understand and adopt their pack concept, and work within it, clickers, sprays, and using crates as part of the correction are moot.
Living within the pack, opens up a stronger communication between our four legged family members.