Before you yank the sand grips off in favor of the rubber ones, try this little suggestion. Hit your favorite big box store and go to the paint dept. They will have a duct tape display. Cover your sand grip, in your favorite pattern of duct tape. When applied, the duct tape negates a bit of the boldness of the sand grips, while still giving a feeling of aggressiveness I like in my hand.
Tear the duct tape so it is a little larger than you need, and trim around the sand grips with a sharp utility knife.
Hello Kitty, Sponge Bob, the sky is the limit for patterns. I just ordered some glow in the dark duct tape in a zebra stripe from Amazon.
I change my duct tape grips every week or so, does not hurt the sand grips below. I also do my slide sometimes. The artist in me figures why not?