Coat type determines everything. Using a slicker brush on a lab accomplishes roughly the same as brushing pavement — the pins pass over the top coat without reaching the dense undercoat. Using a deShedding tool on a single-coat dog like a poodle can cause 'brush burn' that irritates the skin without any benefit.
This is a companion discussion topic for the original entry at https://pickly.blog/en/articles/best-dog-brush-2026/