1. I said I want to learn how to fight with them, not that I'd use them in a fight.
2. And I can tell just by looking at your knives the first one couldn't cut butter and the 2nd one looks kind of sharp but still not anything to worry about.
1. Like I said, you don't learn how to fight. That's not what they're made for. That's like learning how to fight with a taser. There is no specific way to use a butterfly knife. There's closed clubbing and open stabbing.
2. "I can tell by looking at the pixels" is your entire point here, O' guru of blade examination. The blades are both fresh and extremely sharp. The Black one is exceptionally sharp, it's the one that went through my finger. The spider one isn't AS sharp, but still very sharp compared to any other knives in my collection.
Dammit, are fencing people wusses because they wear protective gear?
I'd say yes (along with football players), but we're not talking about the same thing. Learning a skill and playing a sport are completely different; The fear of getting cut, or actually getting cut, while using a butterfly knife is how you learn to handle it properly. Transitioning from a trainer to an actual knife (in the mindset that you're a badass) is actually quite dangerous.