Note:
Technique and photograph from The Stick and Cane in Close Combat by Tom Lang. You can see some of the info from the book at ejmas.com. The book is available from Amazon.com which also has reviews or www.tomlangmartialarts.com
Purpose - take down when attacker is squared up in front of you for example in a punching manor or a grab or push.
With the none cane hand block any punch, push or grab.
Step on the attacker's lead foot to prevent the foot from moving to avoid the technique and to regain balance. At the same time place the tip of the stick in the crease of the hip or upper thigh of the lead leg.
Push down at approximately 45 degree angle.