Geoff Lawton had a flair for publicising his saxophone mouthpieces, initially making personal contact with saxophonists playing in the same bands with him and then by approaching British and American musicians performing at local venues. When he was making Lawton-Barton baritone mouthpieces in the early to mid 1960s, Geoff contacted visiting US players such as Charlie Fowlkes, Harry Carney, Gerry Mulligan and sold his baritone pieces to British players including Jimmy Staples, Les Lovelady and Roy Reynolds. Later in the 1960s he provided Lawton metal mouthpieces to London session musicians and one of his early alto pieces to Johnny Dankworth who used it for more than 30 years.

At a time when there were few brands of saxophone mouthpieces made of metal, Geoff raised the profile of Lawton-Barton and later Lawton mouthpieces using interviews and articles in the UK jazz musicians’ magazine Crescendo. He provided news items to Leslie Evans who wrote the Crescendo “Reed Clinic” which covered reed instrument equipment and “name” players as well as providing playing and improvisation instruction. Leslie Evans was a teacher in London and also ran a mail order business providing reeds, mouthpieces, music books and accessories and he produced some early mouthpiece tabulation charts for single reed instruments.

The mouthpieces were being sold directly by Geoff in person at his home and by mail order throughout the 1960s and into the 1970s and also through some suppliers such as Leslie Evans. From the 1980s onwards Lawton mouthpieces were increasingly sold via music shops such as Bill Lewington’s in London and Manny’s in New York.

Since Geoff's death in 2003 sales have been made only through retailers. Depending on the models, sizes and materials they hold in stock, they may have to ask Jason to make particular mouthpieces that a customer requires.