U+2967 "⥧" Leftwards Harpoon with Barb down Above Rightwards Harpoon with Barb Down Unicode Character

U+2967 "⥧" Leftwards Harpoon with Barb down Above Rightwards Harpoon with Barb Down is a mathematical symbol classified under the Supplemental Arrows-B block, designed to represent a bidirectional or two-way interaction with a specific orientation of barbs. It consists of a leftward-pointing harpoon with the barb pointing downward placed above a rightward-pointing harpoon that also has its barb pointing downward, creating a combined glyph used primarily in logic, category theory, or specialized notation to indicate a bidirectional mapping or relation where both directions carry a downward barb. This character is distinct from similar symbols by the precise downward direction of its barbs, which can convey nuances about the nature of the arrows’ attachments or constraints in formal diagrams.