How to Prune round-leafed navel-wort?
No pruning required

round-leafed navel-wort · Cotyledon orbiculata
Also known as: pig's ear
Grow under glass in a standard cactus compost, in full light. Provide low humidity. Water freely when in growth and keep just moist at other times. Apply a dilute low nitrogen fertilizer fortnightly during late spring and summer. Keep almost dry in the winter. Stand plants outside during the summer months. See houseplant cacti and succulent cultivation for further details
No pruning required