Rubber. I use the dexter #2 brown sole and the older rubber cleat heel turned backwards with the cleats facing the direcection I slide. It also helps to lightly sand the rubber heel with sand paper to soften it up a little.
I've seen a lot of people ad a second heel between the sole and back heel to have less slide as well. (on dexters)
Where I bowl they wax the approaches before we bowl league.
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" hand, don't step on the lanes without some "