I need a resilient device, like a helical metal coil of some sort, that can be pressed or pulled but returns to its former shape when released, in order to exert constant tension or absorb movement.
But nothing springs to mind.
I need a resilient device, like a helical metal coil of some sort, that can be pressed or pulled but returns to its former shape when released, in order to exert constant tension or absorb movement.
But nothing springs to mind.