This pushes down on the step-cut locks, which pushes them away from the spreader bars and allows them to come together.

Cleko-type fasteners are also available with a threaded mechanism to draw the spreader bar up.

In either case they will usually have a hexagonal body that may be better gripped to tighten or release the spreader bar.

Many spica casts have a spreader bar between the legs to help strengthen the cast and support the legs in the proper positions.

A different style is to make use of a spreader bar.

One cannot really expect miracles from a natural cotton rope structure supported by two spreader bars and zinc-plated hanging hardware.

The ankles or wrists may be brought together or kept apart by a spreader bar.

The spreader bar is now in almost universal use.

"Dear, do you know what a spreader bar is?"

The harness together with a spreader bar attaches the rider to the control bar.