• regularly squeeze groups of spokes while building up the wheel and do a few hard presses with it against the floor with the axle resting on a block of softwood.

    As skully says, that's stress relieving and you only need to do it once. Those actions will not have any effect on wind up, which as he also correctly says is undone by reversing the rotation direction of the nipple. If you put a witness mark on the spoke next to the nipple, you can see unwinding happen because there is no relative motion between spoke and nipple as you unwind them.

  • I only just built my first wheelset using sub 1.8mm spokes, and the windup thing was quite a battle compared to thicker spokes I'm used to. Found after a while that I was able to feel the grip and slip of the nipples esp' when doing the backing off quite smoothly and with purpose.

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