Drooling While Wearing a Ball Gag

:gag: I enjoy it when people drool while wearing a gag, so I went out and purchased my own set (a ball gag, a wiffle ball gag, and a ring gag). The issue is that whenever I wear them, I rarely produce saliva and end up with a very dry throat. Does anyone know how to encourage myself to drool while the gag is in place?