Turn a Pringles Can into a DIY Snoot
If you have a potato chip tube lying around, you can convert the tube into a super simple DIY snoot. All you need to do is cut an opening in the closed end that’s the size of your flash head (tip: use some duct tape to prevent it from scratching your flash).
To take it one step further, you can also fill the front end of the tube with straws to focus the light even more:
Here’s an example photo showing the snoot in action:
Image credit: pringles_snoot_1.jpg and pringles_snoot_4.jpg by Nikonized, Extreme Pringles Snooting Setup 2 by blog.jmc.bz, and 1001 uses for a pringles can #365 by Arnett Gill