It’s mostly only celebrities or criminals who don’t want to be identified who do that. Next, they were hiding in a dark alley at 2am and they’re approaching you from behind.
Madalas mga artista o kriminal lang na ayaw magpakita ng mukha ang gumagawa noon. Ikalawa, nagtatago sila sa madilim na eskinita sa alas dos ng madaling araw at nilalapitan ka nila mula sa likuran mo.