Older persons expressed they cannot easily find a quality rubber foot to fit their unique clutches. We realized only bottom part of the rubber foot will be scratched, that is why the present design is flexible to have immediate replacement.
Major material is TPE which is 100% recyclable when they are end-of-life. It is good at grinding on ground than TPR in particular on a rainy day.
In addition, the interchangeable cab can be replaced to become a hiking stick version to cater for people's need.