Use bungee cord to hold walking sticks under a wheelchair.
For wheelchair users that have rigid frame wheelchair and use walking sticks there is an easy way to attach your sticks to the underside of the wheelchair.
Get a small piece of bungee cord and loop it through a small ball to make toggle (this is easy easy to get at a boat chandlers). The loop can now be fixed to the from seat support bar under the wheelchair with cable ties. If you use 2 sticks i've found that it's easier when the toggles are attached with the ball facing the outside of the chair.