Gill has been labeled a "rock gymnast." His movements are referred to as "controlled dynamic technique." Climbing magazines and alpine journals bear descriptive phrases such as, "... a supreme virtuoso in the fierce and concentrated difficulties of boulders and small rock faces ..." One mountaineering publication observed that bouldering was ". . . an ascending order of excellence, determined purely by the degree of difficulty . . . and such words are not quite wrong but not quite right.