hand signals造句怎么写

Players smack their fists into their palms and count to three before making one of three hand signals: a fist (rock), flat hand (paper) or two fingers (scissors).

We have perfected a set of hand signals so that he can tell me when it is dangerous.

I tried hand signals in concert with the map, which resulted in circular hand motions resembling the highway spaghetti we'd been wallowing in for the past 15 minutes. No help whatsoever.