An attachment for a hand held appliance comprising a body having a first wall; a second wall; and a slot formed along at least part of the length of the attachment, wherein the slot is defined on a first side by a surface of the first wall and on a second side by a surface of the second wall. The first wall may be generally tubular. The surface of the second wall may be substantially linear. The second wall may extend out from the first wall. The second wall may be moveable or rotatable relative to the first wall. The second wall may be generally triangular. The second wall may have a first indexed position defining a first slot position. The second wall may have a second indexed position defining a second slot position. An indexed position may be defined by a detent mechanism.