https://www.rosehillinstruments.co.uk/c/340/arnolds-sons Arnolds bass trombone mouthpiece £ £35.00 582-4BT
https://www.rosehillinstruments.co.uk/c/318/marcinkiewicz Marcinkiewicz bass trombone mouthpiece £ £99.00 MARC-TBBS
https://www.rosehillinstruments.co.uk/c/315/vincent-bach Vincent Bach trombone (large shank) mouthpiece £ £110.00 BACH-341
https://www.rosehillinstruments.co.uk/c/317/denis-wick-heritage Denis Wick Heritage trombone (large shank) mouthpiece £ £125.50 WICK-3180L
https://www.rosehillinstruments.co.uk/c/316/denis-wick-classic Denis Wick Classic trombone (large shank) mouthpiece £ £67.00 WICK-5880L