I’m just not sure what to think about this.
I really want to believe it’s a good idea, but then, why would you want to? – use your bicycle like this? – cut grass the hard way? – cut grass at all? – encourage oversized lawns? and so on. At least it looks more comfortable than this:
If you want to see more, take a look at treehugger’s page.
(Thanks for the tip, I! I’ll cut your lawn for you, as soon as you have one).