YouTube Channels you should know about for examples of excellent dog training for many important behaviors:

https://www.youtube.com/user/DomesticatedManners

https://www.youtube.com/results?search_query=kikopup+channel

https://www.youtube.com/user/ahimsadog

https://www.youtube.com/user/supernaturalbc2009

Cooperative Handling/Bucket Game:  This training technique helps dogs learn to remain relaxed for handling related to grooming and vet care.  

Part 1.  https://www.youtube.com/watch?v=IUF1lA9eLh4

Part 2.  https://www.youtube.com/watch?v=GeNzrRASuIY

Part 3.  https://www.youtube.com/watch?v=SVTuFcHGFzM