Our hands are very often used for communication and for the pup most importantly CONTACT.  

The way we use our hands, where they touch the puppy, how they touch the puppy will be building associations for life. Hands that can be trusted and hands that will deliver sensational rewards. Hands that will later becomes tools: hands can begin the feelings of brushes, cleaning and holding for stillness. 
 
Building familiarity with the movement and actions of your hands can build a future for easy veterinary procedures in the future.