How to create iris leaf effects

Hello, I would like to create the effect found on the edges of the iris flower. Does anyone know how to achieve this? I need a realistic result like in the photo. Thanks in advance and have a great day.

val.


Maybe like so:

You can try using the Sculpting boundary Brush .

Thanks!!
!
it works great initially with multiple displace operations and a bit of sculpting. And finally, the tip mentioned in the video works perfectly! Thanks for your excellent responses and efficiency

you guys rock!