Windshield wipers not working - how to tighten the wiper arms

I operate the windshield wipers on a vehicle where only one wiper is working , then tighten the wiper arm down

[@404notfound.....]

I forgot about this, we used to do this back in the day. Great refresher!! 👍🏼🇨🇦

[@backyardmech]

Thanks 404 !