Wraps like Howhill said help you see them better and some think that the adheres to them better. They also give the arrow a custom look.
I use 4 inch white wraps with my 2 inch blazers.
For taking the glue off I use an old carrot peeler, works great. I then use a scotch pad, then wipe it down with isopropanol. (abc?)
howhill- Ill have to try that wax on the threads trick!
Genesis 27:3 Take your bow and quiver full of arrows out into the open country, and hunt some wild game.....