Here is another stretch, which has an added stretch for the calf.
Calf & Ham Stretch by BODIMATRIX
Calf and Hamstring Stretch
Hamstring Stretch: The Right Way!
If you have tight hamstrings and want to improve your deadlifts, then you will want to add this stretch to your leg routine. It’s a classic stretch that, when done correctly, will help improve your leg day routine.
Hamstring Stretch: The Right way! by BODIMATRIX