Khiro Drop Thru Shock Pad
Kiro Drop Thru Shock Pad
The pads dampen and absorb some of the resulting vibrations of rough terrain.
Just remember that if you want to install riser/shock pads to your board, you'll want to increase your hardware length as well. A good rule of thumb for choosing the right hardware to use with your riser pads is to simply add an inch to the height of the riser pads you're using.