Air filled seat cushions

Give the wooden beads a try. They also have ceramic beads.
They facilitate sliding ass off in the twisties and they don't move around affecting control like the air gaskets.
 
Give the wooden beads a try. They also have ceramic beads.
They facilitate sliding ass off in the twisties and they don't move around affecting control like the air gaskets.
That definitely the cheapest route. Thanks.