A surgical instrument, comprising a tool assembly having a cartridge assembly including a staple cartridge having a plurality of surgical fasteners therein, and an anvil assembly, at least one of the cartridge assembly and anvil assembly being movable in relation to the other of the cartridge assembly and anvil assembly, a surgical buttress releasably secured to a tissue contacting surface of at least one of the anvil plate and the staple cartridge by an anchor, the at least one of the anvil assembly and the cartridge assembly including a constricting, open-ended, slot configured to grip an end of the anchor, the anchor being selected from a group consisting of a suture, a thread, a tether, a strap, a band, a line, a wire, a cable, a fastener, and a tack； a release assembly associated with the at least one of the anvil assembly and the cartridge assembly and a drive assembly slidably translatable through the tool assembly from a proximal position to a distal position, the surgical buttress being secured to the tissue contacting surface by a manufacturer.
