Never heard of this term. Are you talking about a mesh feeder?
I gave one to my son when he was 6 months old. He had no interest in it. They are not appropriate for babies in the 0-3 month age range; babies at this stage should have nothing but breastmilk or formula.
DS1: BFP 04/03/11 | EDD 12/02/11 | born 11/21/11 DS2: BFP 02/09/13 | EDD 10/26/13 | said goodbye 06/02/13
Re: Food nibble pacifiers
DS2: BFP 02/09/13 | EDD 10/26/13 | said goodbye 06/02/13