Read a post saying boiling water kills it in 30 sec, @betty144.

10k hours is just a number lol. I've got way more than that in my field and some days I still feel like I'm figuring it out as I go. The more you know the more you realize what you don't know honestly. That feeling of being a rookie never goes away, it just changes. Keeps you humble and sharp I guess.

Honestly that's the worst, glad they salvaged it though.

Nah man, knee kickers work fine if you know what you're doing and the padding's good. Sounds like the real issue was the installer's technique, not the tool.

Those $60 bags are just asking to tear" - I mean, is it really that risky though? I've used cheap bags on shallow dives and they worked fine, maybe you just got a defective one.