Using a snoot is one of the coolest tools to use, it has a wide range of uses weather that is Lighting up the backdrop with a certain colour or distinguish the subject aka the model from the backdrop. Which depends on the look and feel of the theme of the photoshoot.
Most likely your light needs a adaptor which you must find the right one whether that is a Neewer light or any other big bulky lights aka a strobe light.
Step One: Assemble tripod to the correct height, place the light on the tripod light stand.
Step Two: Put the snoot on the light and secure
Step Three: Adjust where you want the light to expose the area you want.
Easy as 123!