1.   At home, Lagier keeps his nuts in the freezer.

2.   In a ground joint, the end of the tailpiece has a wedge-shaped ring called a flange that keeps the nut from slipping off.

3.   Keeping the nut still and seeing how far the jackscrew will wiggle is the approved method for looking for wear in the mechanism.

4.   Salt in the brittle keeps the nuts from seeming flabby.

5.   The nut is kept still and mechanics see how far the jackscrew can wiggle.