The Idea of Tying Warm Clothing to Trees in Bitter Cold Places Heats Up

It's really heartwarming, too.

— -- The bitter cold temperatures taking over many towns and cities in North America have prompted a pay-it-forward scheme to help strangers keep warm.

Of the 144 scarves and a few hats the group collected and distributed, only four were left Sunday.

Sexton said she was inspired to start her own group when she saw a photo on Facebook posted by the original Chase the Chill Group.

"I truly hope that people pay it forward with a good deed," Sexton said. "At least one person has already done that. On Sunday when I collected the remaining scarves, I found a hat tied to a post that I did not put there."