A biopsy forceps jaw device and method of assembling, comprising pivotally mounting to a single flat support having a single aperture a threaded, self-centering proximal end and a pointed distal end, an integrally connected non-metallic jaw assembly having a cutting plane. Further, the watermark can resist common global affine transformations such as rotation, scaling, and changes of aspect ratio, cropping as well as other types of operations such as filtering, lossy compression, printingscanning or detection of watermark in front of video, web or photo camera or any imaging device. The device includes a range of modules pertaining to different types of warhead effects.