She says the pattern she used didn't have an open mouth, but she thinks it looks better with the mouth. She didn't have any ideas for you, sorry.
The only other thing I can think of is, maybe some little pieces of cardboard on the inside to give it some shape?
Mommy to two wonderful girls
"I don't have to conform to the vagaries of time and space, I'm a loony!" -Campbell Bain (David Tennant) 'Takin' Over the Asylum'
OTN: Cabled Sweater
, arm warmers, kids' clothes