In reply to Robbie Pollock: I wouldn't buy it for the simple reason it's resin and not wood. Wood is easier on the skin, and as the friction is reduced you need to use strengh to stay on.
You can buy one - beastmaker is very popular, there's a bunch of other. They don't need to be clever - a single lattice training board will get you there for a similar cost. If you can get one 2nd hand so much the better