Common tics are blinking, coughing, throat clearing, sniffing, and facial movements. The practices are known colloquially as "sniffing", "huffing" or "bagging". Furthermore, unencrypted port knocking is vulnerable to packet sniffing. She has a real knack for sniffing out trouble. Inquisitive foxes will rotate and flick their ears whilst sniffing. Social behavior such as grooming, growling and sniffing has been recorded. Pontianaks locate their prey/victims by sniffing out the hanging laundry outside. Chris sees Paulie sniffing Adriana's panties. Integration with other methods such as explosive sniffing dogs can increase its reliability. Curran shows up at a club and witnesses her sniffing cocaine in a bathroom stall. The other eye looked like he'd been sniffing glue since he was four. Yearlong they assisted with hunting by sniffing out seals' holes and pestering polar bears. On January 27, police dogs were sniffing vehicles in the school's parking lot. Therefore, passwords can be read with packet sniffing. Land mine and tuberculosis sniffing rats are called HeroRats.