1) Native American tool 
A tumpline (/tump-lyne/) is a strap attached at both ends to a sack, backpack, or other luggage and used to carry the object by placing the strap over the top of the head. This utilizes the spine rather than the shoulders as standard backpack straps do. Tumplines are not intended to be worn over the forehead, but rather the top of the head just ba...
• (n.) A strap placed across a man`s forehead to assist him in carrying a pack on his back.
A strap slung over the forehead, to anchor a backpack.
a strap or sling passed around the chest or forehead to help support a pack carried on a person's back.