Walking sticks that are to small or height can make them uncomfortable and they mightn't even made any differance to aid you when walking. Walking sticks need to be cut to the correct height.
The best way to measure for a walking stick is to stand up straight with your arms straight down by your side and measure from your wrist to the ground and that should be the correct lenght for your walking stick.
The image is a great way of the correct position, a image is a great guide to go by. If you in any doubt just give us a email or call. The height for walking sticks is very important.