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Blog
Training notes from Mark's own sessions.
Reactive dog? Why it happens and what actually helps
Reactivity is all fear-based, so here is what helps your dog in the moment and what makes
it worse.
Read the post 
The Importance of Canine Recall
This shows exactly where your leadership lies and it could save your dogs life.
Read the post Tell Mark what is going on
Text him a few lines about your dog, or book the first session outright. He answers himself.