Grimace--tight facial muscles, furrowed brow; chin, and jaw (negative facial expressions - nose, mouth, and brow)
grimace--tight facial muscles, furrowed brow; chin, and jaw (negative facial expressions - nose, mouth, and brow)
Grimace--tight facial muscles, furrowed brow; chin, and jaw (negative facial expressions - nose, mouth, and brow)
grimace--tight facial muscles, furrowed brow; chin, and jaw (negative facial expressions - nose, mouth, and brow)