I carry pens and lights, gun and knives, but my primary every day go to weapon is my cane.
A good distance impact weapon that can difuse a situation you should have realized was developing and avoided.
Quick effective use will let you get out of dodge quickly.
Depending on the situation - and this is where training and thinking come in targets are eyes, throat, groin clavicle, elbows, knees,wrists, skull...
you get the idea.
one instructor uses the old bayonet technique, thrust,parry, slash. Others teach to snap it like the old b-29 baton. there are others.
Me, Im lucky to have a good natured son in law ( ex marine now leo) who pads up and presents me with diferent scenarios to practice.
good fun, then I got feed him and watch him drink my beer