Can you try popette, propreefer, or toothette to stimulate his mouth instead of the zvibe? They dont make noise.
How old is he?
My ds has awful food issues and he is 9. We didnt deal with it when he was little so now he eats very little.
Katie, mom to Olivia (97), Veda (98), Franky (2004), Wendy (2005), JoHannah (2007), Thea (2009) and Sunny (2011)