Cafodd y dull ei dreialu gan Dimau Troseddwyr Ifanc yn Sir y Fflint, Blaenau Gwent a Chaerffili, a Sir Gaerfyrddin gan ganolbwyntio ar weithio gyda phobl ifanc â hanes helaeth o droseddu ac a chanddynt anghenion cymhleth.
Youth Offending Teams in Flintshire, Blaenau Gwent and Caerphilly, and Carmarthenshire trialled the approach, which was carried out with young people with prolific offending histories and complex needs.