"A “Hand of Glory” was believed to be the severed hand of a hanged criminal that, when turned into a candle, could open any lock and render occupants of a house unconscious. This macabre talisman was thought to have magical powers, and stories of its use can be found in European folklore."
#14 Offhand guess? How they died- suffocated in those masks. Why they wore them- they were complete morons. Maybe it was their birthday...
Paranormal activity is literally never the reason. Ever.