US Patent 7266896 String-mounted bow sight

A string mounted bow sight for a hunter's bow comprises a body adapted for attachment to a bow string, the arcuate body comprising a pair of arms symmetrical about a longitudinal axis to define a sighting channel, and a sighting notch extending away from the sighting channel along the longitudinal axis. The sighting channel and of the sighting notch open generally upwardly when the bowstring is drawn so that a hunter can locate a point on the hunter's prey relative to the sighting notch.