Patent for a tool that tightens wires and takes up slack on wire fences. It also splices and joins wires together. The invention has "a novel construction whereby a loop is formed in the strand of wire which is to be tightened and the parts of such wire adjacent to the loop and brought into parallelism so that they may be intertwisted accurately and neatly" (lines 20-25). It also forms loops of different sizes in the wire.