I thought I'd share some videos to illustrate why it's important to use spotters, use good equipment, and lift with proper form when working out. I was once that embarrassed teenager who got pinned under an attempted bench press because I didn't think I needed a spotter. You can ave a lot of pain and embarrassment by using your brain when you lift weights.
Here is a sample of some textbook horrible lifting form. I don't know what you call that technique, but I had to go ice my lower back after watching this.