Hi Lisa - I have a degree in Intepreting for the deaf ASL
On the deaf topic, but regarding children, my sister that is deaf has two little girls, her husband is hearing, as is all my family. My sister used sign with her girls since they were infants and they began communicating in sign by the age of 9 months. Now, even in my family where children are very verbal and talk young, none of the babies were doing much more than saying mumma at 9 months. Cheryl's babies learned language younger because of the signlanguage. That is what inspired me to begin signing with Tucker. I especially use it while he's in the car, with the windows rolled up. I try to only take him out of the car, from the back passenger side. I will not open the door until he is sitting and staying, from outside the car I sign, sit and stay. Guess I should confess that I do not use a dog carrier, car seat and I gave up on the tiny dog harness, while riding in the car, instead I just keep Tucker in the back seat of my Toyota Corolla, a small car with high bucket seats in the front and back.