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My bill for the four bolts, the toggle nuts, four fender washers and four lock washers was just under $10.

If not, disassemble the joint and add washers — plus a lock washer between the nut and its washer.

On every bolt use a castellated nut and a cotter pin, or an ordinary nut and a lock washer, so the bolt will not work loose.

The cell connectors rest on the tops of the lock washers and keep them in place.

He saw that all locks on the turnbuckles were fastened, and that the locks had lock washers beneath them.