We have an old art video, made in the 90s, that we’ve watched many times. One of the most memorable pieces of advice in the lesson is to avoid making the “chicken foot”, meaning three-pronged shapes. When painting trees and flowers, people are prone to creating tidy, symmetrical shapes like these that never happen in nature (see below), except in such cases as the fowl feet. You just never see it.
It might instead be better to caution against the repetitive nature of such shapes. A pattern of these triple points would look very unusual. A line of side by side chicken footprints does not a forest make. Everyone knows a rose with chicken toes is awful to propose.
So beware, artist! Be sparing with your chicken foot!