Colin Denny sheds light on American Indian Sign Language at Super Bowl

… hoped to show other Native American deaf people across the … Sign Language and North American Indian Sign Language, alongside the … Arctic Sign Language in Canada; Plains Indian Sign Language … regional variations of North American Indian Sign Language.
Denny said …… hoped to show other Native American deaf people across the … Sign Language and North American Indian Sign Language, alongside the … Arctic Sign Language in Canada; Plains Indian Sign Language … regional variations of North American Indian Sign Language.
Denny said …