Breaking the Rules - Day 30

Well the penultimate day, and I can'tsay that I will be sorry to get tomorrow done, dusted and out of the way. Although, having said that, I have learnt a lot over the last 30 days, and if nothing else to look more closely at everyday objects and not take them for granted. Todays subject? Well, it is really obvious when you know what it is, something that most of us see every day, but don't really 'see' if you get my meaning, something we take for granted as being there when we want it. What is it, well its....

This is part of a May challenge set for me - #thingsarentwhattheyseem, #mayabstracts and #may_macros.