Did someone mention batoning an Opinel?
I may be able to give some definite input here.
I've done it. My only knife at the moment is an Opinel no. 8 in carbon steel.
I've mainly used it for cutting small twigs and cutting in around a bigger bit of wood to allow me to snap it over my knee.
About a week or so ago I was splitting a hearth board to try a bowdrill.
I didn't go all the way with the knife - I have a blunt, rusty cleaver I'm going to be cleaning up soon and used that as a wedge for the actual splitting, but just batoning the opinel in to blade depth I caught the back of the locking rind and bent it a tiny bit - can hardly see it, but the ring now spins further than it should, and is very much stiffer than it should be.
Knowing what I know now, I wouldn't hesitate to baton with one again - but ONLY hitting the back of the blade in to blade depth and then following up with a wedge.
I've never had any problem with the ring coming open under normal use...
...well, apart from that one time - but that was "user error", I didn't close it properly.
Lovely knife - I'd have another if the courts hadn't decided to ignore the letter of the law and I could carry it as EDC.
As it stands I'm in the market for a Mora/Clipper or some such.