Monofilament is what you use to go fishing. The line on your fishing rod is probably going to be black. You get to the end of the line and you tie on this clear plastic, thin thread called monofilament.
Evolution is fascinating to watch. To me it is the most interesting when one can observe the evolution of a single man.
There is no age, height, or weight requirement to skate. It is good exercise no matter what your age is. If you want to be competitive, most start young. But, I practice with many adult competitors.

