Groanin's father was a carpet fitter and an influential figure in Groanin's life. Throughout his whole life, he was dedicated in his profession and stayed in the town of Burnley. Groanin keeps his old carpet knife for sentimental reasons. As shown by his response to carpet cutting, Groanin was also somewhat versed in the ways of carpet cutting, however he forgot to tie the ends. Later, it was through the wish of a discrimen that he was able to remember that to melt the fibers.
Typically, Groanin's father worked with cheap, nylon fabric. However, because Groanin used the method on a silk fabric, in was engulfed in flames.