There are several after market manufacturers to make the towers. Some may be local and some not so local. There are some distinct advantages to the tower. First, the boat does not have the tendency to roll as much. When you get out next to the boat for a Raley or big inverted trick, the towers tend to keep the boat more level.
Towers also have many angles and cross pieces to make it rigid.
This rigidity helps load the rope for that extra pull to rotate faster. The extended pylons, I don't care how tight you get them, flex. Lastly, the tower is capable of attachments to get boards up off the floor allowing for more fat sacks or people. Plus you get the added bonuses of having a sound system to listen to as you ride and you can even put on the spot lights for night boarding. How to Get up for the first time There are two ways to get up.