Michael Galluci of PopCrush praised Aguilera's "great" "throaty rasp" on the track. The next steps include application of a spokeshave, rasp and scraper. The fish use their toothed lips to rasp algae from stones and other surfaces. They have scraper-like teeth that allow them to rasp the aufwuchs from rocks. It sounds very primitive, soft and mellow with a rasp in the low range. Stacey Anderson from "Pitchfork" described the song as having a "creaky, atonal electronic rasp". In a receiver's earphone, this sounded like a musical tone, rasp or buzz. The stick can also be pulled along the teeth which act as a rasp. His voice throughout the record displays a "heavy rasp" and "sing-songy flow". Also, some may use in "grasp", "gasp", "plaque" and "rasp". Other methods include constricting the airway to create a "rasp". The rasp tool was conceived of at the Jet Propulsion Laboratory. By 1971 Hartmanis has simplified the indexing to indirection for use in his RASP model. Surform planes have been described as a cross between a rasp and a plane. Officers and NCOs have a shorter RASP, focusing on attributes and physical fitness.