Can I use a flat iron to make waves?

pu1. It's not that I can't, but it's going to be hard

2020-05-23

OK

pu2. It's a wave, but it's angledLOL

2020-05-23

OK

pu3. I can do it, but it takes a long time so I don't do it

2020-05-23

OK

pu4. I can, but it's hard

2020-05-23

OK

pu5. It does take a long time, but it's good because it lasts for a long time

2020-05-23

OK