They do that, reach back and try to limit deep penetration. It's just not young gals like her, I had grannies that do the same thing, going deep pounding they push back your pelvic area. Heck, keep hitting it & they swing their head and groan. [Grannies: 65-80]
She loved that cock, and even pushed back while he watched, another BBC convert who will always be prowling for more black cocks to screw her brains out