This is a good video. Here Sensi Enkamp shows us how to use Tonfa.
I like the way he uses his bent elbow as a break when he back-swings the Tonfa to catch it. i have not seen that taught before.
At the end of the video he shows Tonfa being used against Thai pads. This is original and interesting as it is against resistance and quite dynamic.
Tonfa are underrated.