Dan, do you always purchase a new vise everytime you test a large knife/sword? I guess it can be hard on tools when you're testing the toughest knives on the planet. I'll bet that vise is garbage now.
This vice did pretty well (since it was new)...it has a few more test left in it. The last one broke...the one jaw exploded. That was a little exciting with all the shards of steel flying. Knife = 1 Vice = 0
Dan