Hi
Probably 98% of us members are professionally trained Nail Techs so how to do nails at home/DIY isn't really relevent to us, but its interesting how procedures/methods differ across the continents.
Here in the UK we are taught never to clean out under the nail in case of damage to the hyponychium which can cause infection/pain/nail damage/etc.
We don't use metal abrasives, and we're taught not to file a wet nail as the nail is at it's most vulnerable whilst wet.
I suspect this video will spark some debate but unlikely to gain a huge number of subscribers from the pros.