I've only used it once so far. I was worried it would not handle the angle in my stove pipe but it was not an issue in the least. I included a photo so you can see what I was dealing with. I went from the bottom up. (Search you tube for best practice on how not to make a mess)
WOW! Not much for giving reviews, but this is the best I_e ever used. I cleaned my chimney from the top down and it worked better than a professional could do it. All I can say is WOW!
Thomas phelan 
