SPS: cut healthy tip with diamond Dremel wheel, glue to frag plug with reef-safe cyanoacrylate. LPS: cut through skeletal branch leaving polyp head, mount to plug. Soft coral: cut tissue with razor, secure to rubble with rubber band - tissue regenerates over the substrate.
See our complete How to frag coral guide for the full step-by-step with tools, technique, healing time, and propagation specifics by coral type.