If i lived in big cat country i might wear a halloween mask on the back of my helmet. They been doing just this in india for years.
Here's a quote from:
www.lairweb.org.nz/tiger/maneating11.html
"The Indian government issued groups of workers with masks, and surprisingly, the idea worked. After a year no attacks had been reported upon those with masks, whilst thirty people not using the new system had been attacked and killed. It was noted that tigers followed some mask wearers for many hours, but without attack. In one later fatal attack on a mask wearer the tiger attacked from the side rather than the rear."