Screw them down until some resistance in a criss-cross pattern.
Screw them down some more in a criss-cross pattern.
Screw them tight in a criss-cross pattern.
top-right, bottom-left, top-left, bottom right.
Screw them down some more in a criss-cross pattern.
Screw them tight in a criss-cross pattern.
top-right, bottom-left, top-left, bottom right.