A horses doesn't have a 'favorite' body part. Picking out a favorite body part is a human attribute more concerned with vanity than anything else.
yes it is
Toes
Their mouth....
the heart <3
his soulja... boy
the arms i think
between the abdomen and the fore-part of its hind legs
Every girls has different opinions and references. Not every girl will answer the same way about what their favorite part of their body is.
The harderest part of a horse would have to be the hooves, they are just like our finger and toes nails.
It depends on the man and on the woman.
from the ground to the wither.
You would start at the top and work your way down.