![](https://www.koko.org/wp-content/uploads/2020/03/lip-1.jpg)
Koko signs "LIP"
Penny & Darlene sign "LIP"
GSL (Gorilla Sign Language: Modified ASL + Natural Gestures)
ASL (American Sign Language)
Koko signs "LIP"
Penny & Darlene sign "LIP"
GSL (Gorilla Sign Language: Modified ASL + Natural Gestures)
ASL (American Sign Language)
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