Consider:
Tigers, despite their size and power, are almost exclusively stealth hunters, and generally only attack from behind while hunting.
Residents living in tiger-prone areas cope with this by wearing a mask on the back of their head, which fools the large cats into thinking they are never behind the individual. People doing this are almost never attacked by tigers.
Consider:
The Slenderman will freeze in place when a potential victim is looking at them, and will advance on their prey only when out of their sight.
So if you find a mask...
Tigers, despite their size and power, are almost exclusively stealth hunters, and generally only attack from behind while hunting.
Residents living in tiger-prone areas cope with this by wearing a mask on the back of their head, which fools the large cats into thinking they are never behind the individual. People doing this are almost never attacked by tigers.
Consider:
The Slenderman will freeze in place when a potential victim is looking at them, and will advance on their prey only when out of their sight.
So if you find a mask...