Excuse me, master feng shui, can the hands of a white tiger yarn like this overlap the mountains? Why? thank you

As far as your picture is concerned, there is no white tiger sand and green dragon sand in the acupoint itself. You should mean the dragon and tiger sand facing the mountain. As far as the dragon and tiger sand on the opposite side is concerned, it is of course good to overlap, because it will overlap, such as jagged teeth, that is, the nozzle is tight, so it will hide the wind and accept the gas, but the acupuncture point itself has no dragon and tiger, so it is inevitable that it will be affected by the wind on all sides, which is not an auspicious place.