Filling an icing bag

I've seen the tip about filling an icing bag by putting it into a tall drinking glass and folding the edges down but that doesn't work for me. I don't know if it's because my glasses aren't the right size, or because I use large piping bags, or because I'm doing it wrong.

So I had to come up with my own method. And I did, and it works great so I thought I would share it with you.

I have one of these cheap metal paper-towel-roll holders:



I just fold the edges of the icing bag down and clip it to the paper-towel-roll holder with a peg (clothes pin).



So easy to fill it now!