Galvanized Rhizome Clip for Orchid Plants By Waldor Orchids (4 Inch 10PK) Rhizome clip is an essential piece of repotting cattleyas these are very well made and with the unique design they fit the plastic pots and clay pots perfectly. They are sturdy and slanted downward to help the root system stay in place and flourish.Secures the rhizome to the media surface to prevent plant from jiggling (which can inhibit root production) 4 Inck Rhizome Clip (10 Pack) Made from heavy-duty galvanized steel. This allows the new roots to grow to reestablish the plant without worry that the roots will be damaged by the plant moving in the wind. Can be used on all orchids and other household plants.