Then, tightening his hold, he gave an almost imperceptible twist.

It was one of the first and the simplest of the tricks his jiu-jutsu instructor had taught him.

And, as ever with an opponent not prepared for it, the grip served.
To the heedlessly watching Standish he seemed merely to be accepting the invitation to shake hands with Roke.

But the next instant, under the apparently harmless contact, Roke's big body veered sharply to one side, from the hips upward, and a bellow of raging pain broke from his puffed lips.
"Oh, I beg your pardon!" cried Brice in quick contrition: "You must have hurt your hand when you fell off that roof.

I'm sorry if I made it worse." Nursing his wrenched wrist.