The severance morphology of two 100% cotton fabrics (twill
weave, single jersey) which had been stabbed by one of three sharp
blades (kitchen and hunting knives, screwdriver) has been
described [4]. From a human participant trial and using an impact
rig, the appearance of the fabrics suggested that the blades that
caused the damage could be differentiated, and the directionality
of the stabbing could be estimated [4].