We recommend and prefer Positive Reinforcement Training. My background is in the Zoo field, and I’ve worked with VERY large and dangerous animals such as Rhinos & Tigers. I’ve had them learn to let me take blood and give them injections cooperatively and without putting either of us in danger. Positive. Reinforcement.

But remember, positive does NOT mean permissive!

Read more here:

What is Positive Reinforcement in Dog Training?