[Tagging] Is there a good way to indicate "pushing bicycle not allowed here"?

[Mark Wagner]

On Wed, 22 Jul 2020 11:29:17 +0200
Martin Koppenhoefer <dieterdreist at gmail.com> wrote:

> And we would have to define what „bicycle“ means.
> 
> Are these bicycles?
> 1. 
> https://www.picclickimg.com/00/s/ODAwWDgwMA==/z/F-8AAOSwstJZXeV2/$_12.JPG
> 
> 2.
> http://img0.biker-boarder.de/detail_oxp1/g13_edge_raw.jpg
> 
> 3.
> http://www.unicyclist.com/filedata/fetch?id=2476281
> 
> 4.
> https://photos.netjuggler.net/monocycle-kris-holm-24p/grande/Monocycle-Kris-Holm-24-pouces-isis1.jpg

In a US Wilderness Area, 3 and 4 are definitely prohibited, as is bkil's
folding bicycle.  2 is probably okay, as long as neither you nor any
other member of your party are in possession of any of the other parts.
 1 is clearly okay.

-- 
Mark