Hair Clippings in the Garden?

Okay, sometimes I worry about my mother going off the deep end. Take, for instance, the conversation and friendship she struck up this morning while watching my son at skateboard camp. 

"Hair clippings keep the rabbits and other pests out of my garden," her new friend said. 

Then, they agreed that my mom would gladly accept the clippings from the new friend's children. I know ... ewww! But, then again, that's not entirely weird for us—weird things happen to us all the time. Which is probably why I'm intrigued to find out if the clippings will keep the rabbits out of mom's garden, diverting their attention away from treating the bed of hosta like their personal salad bar. 

• Do you think there's any truth to using human hair clippings in the garden to keep away the pests?
• Have you ever tried it?