You need a Safety and High Quality Phone Tripod Mount ,No ,not only about that ,and a Multi-function and Pocket Size Phone Holder .
Yes ,You need Ulanzi ST-03.
A new patent Pocket Size design with CNC machined from solid aluminum quality ,Phone is locked in place with a steel bolt (not a spring!)And a Hidden Cold Shoe Mount Design .
What's More ,It can Hold smartphones from  2.28" to 4.1" wide,even the 7in screen phones .