Stiffer than a corpse!
The downside to this knife is that it is difficult (read almost impossible without wrenching your nail from your finger) to open with the nail nick. A set of pliers is what I've resorted to. Perhaps with some lubricant it may be possible to open it more easily. The positives once open is that blade is slicey and sharp and the Brass ring seems robust in comparison to a similar Opinel. Same its so stiff