Interfit INT209 Interfit Stellar Snoot Description. A medium size snoot that is ideal to be used on a hair light. Fits directly onto the flash head via the S-Type mount. A snoot controls the shape of your light output. When placed in front of your light source it will result in a small circle of light. The size of the circle of light is determined by the snoot opening its length & the distance from your subject. As an artist in lighting paint your light with your photographic brush or sculpturers knife chisel by using snoots barndoors color filters & honeycomb grids as tools to effectively shape your lighting.