Answer:
tactile signing
Explanation:
The technique being used in this scenario is known as tactile signing. This is mainly used by Deaf-Blind People and allows them to learn and understand ASL signs much more clearly. This is because they are able to use more senses to get a feel for what the sign looks like and what it means. This allows them to better associate the sign and therefore understand more. Tactile signing is being used widely as it has shown great results in teaching ASL.