These are things that I have discovered that work for me. We are all so different so hopefully they might be useful for you too, or you might use them already. Extended walking poles for walking with instead of the normal short walking sticks.
To carry a mug of tea place it in a larger plastic jug and collect all the spills when you get there!
If you are having a wobbly day on the stairs, go slowly backwards.
I am sure you all have many more!