Be Honestly , I've never used or feel uncomfortable,stressfull on the hands or from the wrong  directions of the hands. it’s all up to You how you deal with it !
, sometimes there is a desire to change landing (but not sufficient), so sometimes I think about horns. I often rode the bicycle without horns then my friend suggested me sites  where that i can purchase best Sound Horns because sometime it's difficult to ride bicycle in the public so that i have purchased now through best international shipping rates