Now kick hard and swiftly. Use your waist.
5 seconds sound clip from the Crippled Avengers (1978) movie soundboard.
You can hear this line at 00:36:37 in the Blu-ray version of the movie.
Quote context
[...]
- To stop him pushing, just kick him.
- Never mind. Although he's weak-minded now he still knows kung fu, so you can't really hurt him.
- Now kick hard and swiftly. Use your waist.
- You're doing real well. You're learning quite fast.
- You're not really blind. You're faking.
[...]