Times are tight so I am saving pennies for other things like ammo. Years ago the Block guys turn me onto the "tire tube" trick that may satisfy the need for a rubberized grip without the cost. For around $2 at WallyWorld you can buy a bicycle tire tube. Cut a length to fit the grip you want to cover and squirt the outside of the grip with Windex. It will take some work but pull the tire tube over the plastic grip. One tube has outfitted many grips and I still have some left. It ain't pretty but it does work.