A unique shot explained.

Rule 9.6 | Ball lifted or moved by outside influence

If it is known or virtually certain that an outside influence (including another player in stroke play or another ball) lifter or moved a player's ball at rest:

• There is no penalty

• The ball must be replaced on its original spot (which if not known must be estimated) https://video.twimg.com/ext_tw_video/1811467108305559552/pu/vid/avc1/720x900/sbpZ84M-kDGUGBb-.mp4?tag=12