In article ,
Clive Page wrote:

On 21/11/2016 22:38, Recliner wrote:
The article includes a picture, but I think mine is clearer:

https://www.flickr.com/photos/reclin...15766799634666
5/lightbox/

It is, thanks. It says that they will support a foot, but what if you
wheel a heavy suitcase across, do the wheels get supported or fall into
the gap? I'd have expected the force per unit area would be quite a lot
higher.

Spike heels would be higher pressure still. Looks like they would also
be susceptible to falling into the gaps between the "fingers".

Sam

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