There is a factory kit made to install head rests onto a rear Westy seat. 
It uses the same head rests as 
the front seats (which you have to source seperatley). It can be special
ordered by Busdepot in the US and Frank Condelli in Canada. I will upload 
pictures of the kit parts to my google account tomorrow and share the link. 
I can't show them installed as my Westy is getting the fire damage repaired at this time. Details to follow about the 
cause soon. It's best described as the "perfect storm" of events. 

Bill

On Oct 17, 2012, at 11:45 PM, David Klein <david@ASHTEC.CA> wrote:

> Hi All,
> 
> Someone told me recently there is some kind of aftermarket headrest that would slide onto the rear seats of a camper model so you can have proper headrest back there.
> 
> Is this true. I checked Gowesty but nothing!
> 
> Thanks, David