I have a 1x4x24" piece of Oak that I need to bend about 1/8" from end to end. I've tired putting weight (30 lbs) on both ends of it with a shim/spacer under the center for over a week but it hasn't budged. I've thought about wetting the Oak piece in the center where the shim is but I'm concerned that would ruin it. Any ideas would be much appreciated. Thank you!