Ah-Ha.  Found it.  Now I just have to see if I can justify spending $45 on a wiper arm with a wing.  Especially after Jim said he saw no difference in operation.  Anyone else want to chime in on difference of operation?
Dave B.

-----Original Message-----
From: dbeierl <dbeierl@GMAIL.COM>
To: vanagon <vanagon@GERRY.VANAGON.COM>
Sent: Sat, Oct 13, 2018 9:59 pm
Subject: Re: wiper arm

Chris Camacho at uniwerksdesign.com has a wing you can slip over a plain
wiper arm.

https://uniwerksdesign.com/