Wooden chairs on the gallows

[Ashley Norman]

I don't understand the chairs on the gallows? I mean why would they be up there? I know that sounds silly but I've never thought there would be chairs on the gallows.
most prisions aren't probaly going to be sitting for the exectuion. I just dont see hey they would sitting was there speeched before they die or could some one please explain this for me.
Thank you.