Usage examples (6)

• But Bergstrom identified it as a "biface" because it's been "flaked" on all sides.
• An obsidian biface, part of a bone needle, and other artifacts were found with the skeleton.
• The seemingly deliberate placement of the biface immediately below the skull resembles a purposeful interment.
• Study of the biface and the eye of the needle revealed no signs of wear, suggesting that they may have been made specifically as grave offerings.