Data from: How do morphological sharpness measures relate to puncture performance in viperid snake fangs?

It makes intuitive sense that you need a sharp tool to puncture through a
tough material. The typical approach to evaluating sharpness in biological
puncturing tools is to treat morphological measurements as a proxy for
puncture ability. However there are multiple approaches to measuring
sharpness, and the relative influence of morphology on function remains
unclear. Our goal is to determine what aspects of tip morphology have the
greatest impact on puncture ability, using a) viper fangs and b)
engineered punches to isolate the effects of different sharpness measures.
Our results indicate that tip included angle is the strongest predictor of
puncture performance in both viper fangs and engineered punches. For
puncture tools with small included angles, sharpness index (based on
radius of curvature) also affects puncture ability. Finally, we found that
punches serve as good predictors of fang performance at small angles and
sharpness index values.