The Speech Pal is designed with bumps on the back molars to teach users where the tongue should be placed when working on “r” “sh” “ch” and “j” sounds. The Speech Pal is best for users who have difficulties producing these sounds.  This feature could also be added to any other Spot Pal design if needed. Your answers during checkout will determine if this feature gets added for the users customized Spot Pal.