I just got seven brand new throwing knives so I can start practicing again. It's been too long. When one is stuck nicely in the target and another one hits it, metal colliding with metal can cause some unfortunate damage. Four of my knives ended up okay with a few minor nicks that filed out nicely. The other three though ... Mike is almost correct. The top one has a bent tip that I straightened out with a vice. The middle one does have a huge nick near the tip. The bottom one though, that is also the "cutting edge". Being throwing knives, they don't have sharp edges at all. They're still pretty thick only tapering at the point, though that is still not sharp enough to cut.
Which, I know that throwing knives are going to get nicked and bent through use but those first ones are always "painful". My little babies. As I get better, those occurrences will get less and less. Then I can buy a brand new set (my wallet cringes) to perform with.