Here's a few tips. Don't use a knife, learn to do it with your thumbs it will come in handy when you don't have one. Seasons in the Abyss just came on this Cannabis-Radio thing and I fuckin' love it. Anyways, don't use Royal Blunts or any blunt wrap for that matter they don't stick well and most of the time it is way to much paper than you really need. I always stick with the trusted Strawberry Phillie as much as I can. Here's another good one I learned early on when I had to roll blunts fast while driving when delivering pizzas. Once you have the weed all broken up inside your shell go to about the middle of the top part of the shell(the part you will be rolling over the other portion of the blunt and the weed) and make a small tear in effectm making a split in the middle, only about a 1/4 inch long though. Now grab one half, lick, roll over, and repeat on the other end. Quick and easy. Also, invert the paper after you gutted the shell so you put the weed on what was the outside of the blunt it won't come apart on you as easy. Good luck and many a tight roll to you my man.
