Nope. This is the 'proper' way to rig an overhead light. Even if the thumb screws were loose the head won't fall, gravity holds it onto the spigot. I have seen many photogs hanging the light from the spigot, should any of the thumb screws be loose the light could fall(however the tether would save it). "IF" you have to mount it parallel to the ground, make sure your spigot has a detent that the thumb screw sinks into when tightened. That helps it from spinning on the spigot and can keep it attached should the thumb screw be loose. I prefer the perpendicular option for reasons mentioned.