I've been meaning to do this for quite a while but of course finding cardboard tubes like this is difficult. For this reason, when the opportunity arose, I leapt at it, like some kind of cardboard hungry leopard. The whole article is at http://www.thesamuraiworkshop.com/university/content/8/262/en/cardboard-tubes-as-an-alternative-target.html but I've posted the video here for convenience.

Do check out the whole article as it raises a few extra points that you may find interesting.