There’s a few videos here to help free up your tight hips.
Some are more advanced than others.
YOU ONLY NEED TO USE ONE OF THE RELEASE EXERCISES (ball or foam roller) followed by the stretches.
How To Use A Foam Roller To Free Up Your Hips and Glutes
Beginner: How to Free-Up Your Hip with a Trigger Ball Against the Wall
Advanced: How To Free-Up Your Hip With A Trigger Ball On The Floor
How To Stretch Your Glutes and Hip
How To Stretch Your Hip Flexors With The Couch Stretch