Proud. Ol Pejeta Conservancy use the effect of livestock to facilitate grass growing as part of its wildlife management strategy. Marwick, Ben; Hayes, Elspeth; Clarkson, Chris; Fullagar, Richard (March 2017). Contents, scientific use edit, trampling may be by animals and cause effects. This is known as "giant/giantess fetishism" or macrophilia. Lesléa Newman : The Femme Mystique. Pat Califia: Melting Point.