Like leg chains and brandin' irons, would be my guess.

The leg chains may be removed for steps and other obstacles, the rules also say.

I blacked out almost at once, but they tell me she was straining on her leg chain.

It was so unexpected I took a tumble, got tripped up by the leg chains, and fell.

The leg chains got put on Vogel; they had plain old handcuffs for his hands.

The prisoners were linked together with leg chains.

Besides, where would Bekker go, high up here in the government building, with the leg chains?

These little devices, a whip and a leg chain, will aid you.

They'd probably put leg chains on him and throw him in solitary.

Also, any attempt to do yourself harm and you will get far shorter handcuffs and leg chains.