I recently got a new punching bag and I'm like a cat with its toy. The bag itself isn't new. It's an old bag but it's exactly what I need. It's not a heavy bag but it is the right weight for doing some complex kung fu techniques without getting hurt. We have a couple of techniques where incorrect technique = strained back, or can cause damaged knees. Some of my techniques were off because I had to hold the bag up long enough so I can pull off the technique as best as possible. Trying to do this at the end of a workout was also probably not the best idea either. Here's a video of me testing out a few techniques on the bag in an effort to determine what type of training exercises I can train with students.