A surgical stapling apparatus, comprising: a cartridge assembly defining a tissue contacting surface； an anvil assembly defining a tissue contacting surface, wherein the tissue contacting surface of at least one of the cartridge assembly and the anvil assembly includes a grip enhancing feature formed thereon； and a surgical buttress releasably secured to at least one of the tissue contacting surface of the cartridge assembly and the tissue contacting surface of the anvil assembly by at least one anchor, wherein a position of the surgical buttress relative to a respective cartridge assembly and anvil assembly is better maintained as compared to a cartridge assembly and a anvil assembly devoid of the grip enhancing feature.
