- Nit Works is now open in 3 convenient locations across the GTA. Operating in Thornhill, Bloor West Village and Central Toronto allows families in all parts of the city to come for lice treatment and to purchase non­toxic lice removal and prevention products. Nit Works guarantees their services and offers a complimentary follow­up visit within 5­7 days of treatment. Nit Works is trained and certified in the Shepherd Method of Lice Removal which is a methodical approach to the delousing process. It is clean, efficient and time and cost effective.