Mistress Sitters endless search for new ways to deprive her victim of air has resulted in her slave becoming a test subject. A test dummy for whatever device she acquires, and she has acquired a interesting garment. The smother panties will hold its' victims face firmly against the flesh of his Mistress with only a hole between the hood and panties in the crotch so her dummy can service her as she experiments different positions. You"ll wonder how he survived the smother panties