That's a nice picture but unfortunately that doesn't depict the configuration of the cheek pad or at least the ones I've seen. The attaching screws attach a different piece of leather to the stock, and then the two halves of the pad lace together over the piece which is screwed to the stock. I just put a cheek piece on an M1D using TM 9-1005-222-35 Rifle, Caliber .30, M1M1C (Sniper's) and M1D (Sniper's) dated Feb 1966. Hard to explain without pics and I don't have any. Even with pics, the lacing is difficult to figure out. Maybe you can find this TM on-line.