Skateboards Powell LIGAMENT TECHNOLOGY Powell Skateboards introduces Ligament Technology* into the construction of their Skateboards. Improving the skateboards "pop" as well as preventing the board from breaking completely in two when landing huge bangers. Video includes testimonials from Powell Team Riders. * Starting May 1, 2011 Powell-Peralta LIGAMENT decks have one wider ligament, instead of three skinnier pieces.