Beer-house owner Yu Yueh-shu says people who play guess-fingers should maintain correct posture and speak loudly and clearly to release vital energy from the diaphragm. Clear-cut, precise gestures mean a person is open and aboveboard.
開設「喝酒專科阿才的店」的於岳叔認為，劃拳要有一定的架勢，聲音要亮，丹田的氣才出得來，手勢要清楚，表示行事光明磊落；如果出聲微弱、在氣勢上就先輸了一籌，也意味著這個人的性情畏縮。