Instead of bouncing light underneath your subject, this method could make life easier.
Lighting
Proof That Almost Anywhere Can Be a Photo Studio

Of course, it would all be great if every portrait photographer could afford their own studio, but that simply is not feasible for most of us. That being said, you would be surprised how little space you need to make creative, compelling, and professional portraits. This excellent video tutorial will show you how to light and shoot portraits in a small hallway.
Portable Studio Light: We Review the Colbor CL60R

I have a very small office space, which I use for work and filming tutorials. For the filming part, I was looking for a compact lighting solution. Typical studio lights are often quite large and wouldn’t have provided the versatility I needed. That’s why I’m glad I got introduced to the Colbor CL60R, which I review in this article.
The Perfect Entry to Off-Camera Flash? The Godox AD100Pro Reviewed

Godox’s line of flashes, including the incredibly popular AD200 and V1, have become a mainstay of the on and off-camera lighting market. They’ve become so popular, in part, thanks to the surprising value and feature set offered at each price point. As a result, the AD100Pro, a new addition to the line, has quite the legacy to live up to. Has it earned a place in photographer’s bags?
Using Fake Windows to Create More Interesting Light

When we learn about lighting, we most often focus on the quality of the light and all the things that contribute to that. However, light can be more than just that which gives you the correct exposure and renders your subject in a flattering manner. It can be used to add mood and interesting atmosphere to an image. This great video tutorial will show you one such example using a fake window to complete a shot’s aesthetic.