The sound folding and unfolding is sometimes likely to be annoying to the other parson, so it is considered good manners for the player to reciprocate the motion during his or her turn, as much as possible.
なお扇子の開け閉めは相手にとって雑音として受け取られる場合もあることから、極力自分の考慮時間中に行う事が相手に対する礼節とされている。