Box cutter type knife. I find myself having to do electrical stuff occasionally so normally have one somewhere. Just a little on an end, and that's all that's needed.
They all have a little seam that you can snip with scissors and then pull apart to get the roll about half opened. From there: squeezing the opposite end should get you the rest of the way.
To make matters worse, even worse, Brinks taunts us about the clear wrappers. If any of you have bothered to look at the box, there are instructions and one of them says no more having to bang the roll they show someone banging the roll against something. then it says "easy open" and shows someones squeezing it. It is not this simple, brinks rolls are from heck. They wont burn. I was going to suggest to em, to disolve them in acid; but let me tells you, these wrappers are so nasty, so resliant, the acid will disolve the coin before it disolves the wrapper. Yes, really. If you try to hammer them, the hammer will recoil back. Use a razor? well these scumbag rolls will be extra slippery, and cause you to slip and cut yourself. I don't know if any of the aforementioned content is true or not, but I do know that Brinks is a pain to open.
The look on tella's faces when you bring a brinks dump unrolled. they know it's trouble.