If you are going to use your cane for walking you are going to need some kind of tip. The following are some options for cane tips.
The simplest answer it to go to the local hardware store and look for a rubber chair tip that will fit your cane.
Another option is to buy and install a Veritas tip. They are available from Lee Valley.
copper reducer which is available at most hardware or plumbing supply stores. I used a 1" to 3/4" copper reducer and a 7/8 rubber tip. Total cost under $5. One disadvantage to the copper is that it will tarnish and needs to be polished.
Brass Ferrule Tip w/Rubber End for 1" Walking Sticks
Bill on the Canefighting Yahoo Group recommends these from eBay.