Nail clipping

My son will NOT let us trim his nails. Its a multi-hour fight full of anger tears and punishments every time. His younger sister just lets us do it with minimal wiggling. I need ideas on this, obviously the anger and prolonged dramatic experience are not helpful for him not wanting to do it. But we also feel we cant just back down when he says “no” to us. Anybody have ideas? Weve tried reward, letting him watch something while we do it, the nail grinder thing that doesnt hurt, different clippers, ive done it, his dad tries. We have taken away privileges like screen time or a toy when he wont do it. Hheellllppppppp