The Mach One shoulder rest was developed in 1997 by Peter Mach and is made of lightly flamed maple wood. The shape of the shoulder support fits well on the shoulder and is also easily adjustable (width and height) to make a good individual fit. The forkfoots are sold per piece. Please manually indicate with the order which lenghts are desired. The following models are available:

- type MA for violin, maple wood with leather
- type MAH2 for violin, maple wood with leather, hook-end
- type MLS1 for violin, synthetic version with leather
- type M07 for violin (4/4 - 3/4), synthetic version
- type M08 for violin (1/2 -1/4), synthetic version
- type MD10 for viola, maple wood with leather
- type MD20 for viola, maple wood with leather, hook-end